Dell EMC Unity XT Spec Sheet
Dell EMC Unity, Dell EMC Unity XT, midrange, data storage, storage, Dell EMC Unity XT Series Spec Sheet, data-storage, file, block
EMC Corporation Spataro, Steve
h17713 dell emc unity xt series ss Spec Sheet
DELL EMC UNITY XT STORAGE SERIES
Simplify the path to IT transformation and unlock the full potential of your data capital with the new Dell EMC Unity XT storage arrays that feature up to 2X more IOPS, more memory, and up to 50% more drives than previous Dell EMC Unity models. These All-Flash and Hybrid storage systems with dual-active controller architecture and enterprise-class features are designed for performance, optimized for efficiency with up to 5:1 data reduction, and built to simplify your multi-cloud journey.
Architecture
Based on the powerful family of Intel XeonTM processors, Dell EMC's Unity XT storage systems implement an integrated architecture for block, file, and VMware VVols with concurrent support for native NAS, iSCSI, and Fibre Channel protocols. Each system leverages dual storage processors, full 12 Gb SAS back end connectivity and Dell EMC's patented multicore architected operating environment to deliver unparalleled performance & efficiency. Additional storage capacity is added via Disk Array Enclosures (DAEs).
Physical Specifications
380F/380
480F/480
680F/680
880F/880
Min/Max Drives Array Enclosure
Drive Enclosure (DAE Disk Array Enclosure)
Standby Power System
RAID Options
CPU per Array
System Memory/Cache per Array Max FAST Cache per Array* Total CacheA Max Mezzanine cards per ArrayB Max IO Modules per ArrayC
6/500
6/750
6/1000
6/1500
A 2U Disk Processor Enclosure (DPE) with twenty five 2.5" drives
All-Flash (F) models support 2.5" drives in 2U twenty five drive and 3U eighty drive trays. Hybrid models support 2.5" drives in 2U twenty five drive and 3U eighty drive trays; and 3.5" drives in 3U fifteen drive
trays.
Dell EMC Unity systems are powered by 2 power supplies (PS) per DPE/DAE. Each power supply can provide power to the entire module if the peer PS has been removed or is faulted. DPE power during a power failure is provided by a Battery Back Up (BBU) module. BBU is located within the SP enclosure and provides power to a
single module (power zone)
1/0, 5, 6
2 x Intel CPUs, 12 cores per Array, 1.7GHz
2 x dual-socket Intel CPUs, 32 cores per Array,
1.8GHz
2 x dual-socket Intel CPUs, 48 cores per Array,
2.1GHz
2 x dual-socket Intel CPUs 64 cores per Array, 2.1GHz
128 GB
192 GB
384 GB
768 GB
Up to 800 GBs Up to 928 GBs
NA
Up to 1.2 TBs Up to 1.39 TBs
2
Up to 3.2 TBs Up to 3.58 TBs
2
Up to 6.0TBs Up to 6.76 TBs
2
4
4
4
4
DELL EMC UNITY XT © 2021 Dell Inc. or its subsidiaries.
Spec Sheet
Embedded SAS IO Ports per Array
380F/380
4 x 4 lane 12Gb/s SAS ports for BE (back end)
Connection
480F/480
4 x 4 lane 12Gb/s SAS ports for BE Connection
680F/680
4 x 4 lane 12Gb/s SAS ports for BE Connection
Optional SAS IO ports per Array
NA
8 x 4 lane or 4 x 8 lane 12Gb/s SAS ports (for BE
Connection)
8 x 4 lane or 4 x 8 lane 12Gb/s SAS ports (for BE
Connection)
Base 12 Gb/s SAS BE Buses per Array
2 x 4 Lane
2 x 4 Lane
2 x 4 Lane
Max 12 Gb/s SAS BE Buses per Array
2 x 4 Lane
6 x 4 Lane; or 2 x 4 lane and 2 x 8 lane
6 x 4 Lane; or 2 x 4 lane and 2 x 8 lane
Max FE (front end) Total Ports per Array (all types)
24
24
24
Max Initiators per Array
1,024
2,048
2,048
Max FC Ports per Array
20
16
16
Embedded 10GbaseT Ports per Array
4
NA
NA
Embedded CNA ports per Array
4 ports: 8/16 Gb FCD, 10Gb IP/iSCSI, or 1Gb
RJ45
NA
NA
1 Gbase-T/iSCSI Max Total Ports per Array
24
24
24
10/25 GbE/iSCSI Max Total Ports per Array
24 10GbE 16 25GbE
24
24
Max Raw CapacityE
2.4 PBs
4.0 PBs
8.0 PBs
Max SAN Hosts
512
1,024
1,024
Max Number of Pools
20
30
40
Max Number of LUNs per Array
1,000
1,500
2,000
Max LUN Size
256 TB
256 TB
256 TB
Max file systems per Array
1000
1500
2000
Max File System Size
256 TB
256 TB
256 TB
Max attached snapshots per Array (Block)
1000
1500
2000
IOPSF (All Flash Models 380F 880F)
up to 600K
up to 1.68M
up to 2.36M
OS Support
See the Dell EMC Simple Support Matrix on dellemc.com
A Specific to Hybrid Arrays B One Mezzanine card per Storage Processor (SP), mirrored. C Two IO Modules per Storage Processor (SP), mirrored. D 16Gb available in both single mode and multimode. E Maximum raw capacity will vary based on drive sizes available at time of purchase. F 100% sequential Reads, 4K block size, thick LUNs. Based on internal testing (June 2019). Your results may vary.
880F/880
4 x 4 lane 12Gb/s SAS ports for BE Connection 8 x 4 lane or 4 x 8 lane 12Gb/s SAS ports (for BE
Connection) 2 x 4 Lane 6 x 4 Lane; or 2 x 4 lane and 2 x 8 lane
24 4,096
16 NA
NA
24
24 16.0 PBs
2,048 100 6,000 256 TB 4000 256 TB 6000
up to 2.56M
2 DELL EMC UNITY XT © 2021 Dell Inc. or its subsidiaries.
CSopnencecSthiveiteyt
Connectivity options via Mezzanine cards and IO modules for both the file for NFS/SMB connectivity and the block storage for FC and iSCSI host connectivity (see above table for number of modules supported per SP).
Connectivity Options
Type
Description
Details
Mezzanine card or IO Module Mezzanine card or IO Module Mezzanine card or IO Module IO Module
IO Module
Four-Port 10Gbase-T Module (File & Block)
Four port 10Gbase-T Ethernet IP/iSCSI module with four 10Gbase-T Ethernet ports with copper connection to Ethernet switch
Four-Port 10 Gb/s Optical Module (File & Block)
Four port 10GbE IP/iSCSI module with choice of SFP+ optical connection or active/passive twinax copper connection to Ethernet switch
Four-Port 25 Gb/s Optical Module (File & Block)
Four port 10GbE IP/iSCSI module with choice of SFP+ optical connection or passive twinax copper connection to Ethernet switch
Four-Port 32 Gb/s Fibre Channel Module (Block only)
Four port FC module with four ports auto-negotiating to 4/8/16 or 8/16/32 Gbps; uses single mode or multimode optical SFP and OM2/OM3/OM4 cabling to connect directly to host HBA or FC switch
Four-Port 12 Gb/s SAS V3.0 Module*
Four port SAS module, used for back-end storage (DAE) connectivity to Storage Processors. Each SAS port has 4 lanes/port @ 12Gbps, delivering 48Gbps nominal throughput. Also available specifically for the 80 drive DAE is 8 lane connectivity utilizing a pair of SAS ports to deliver high bandwidth for added performance.
* For 480F/480, 680F/680 and 880F/880 models
Maximum Cable Lengths
Shortwave optical OM4: 125 meters (16 Gb) 190 meters (8 Gb), 400 meters (4 Gb), and 500 meters (2 Gb)
Back-end (Drive) Connectivity
Each storage processor connects to one side of each of two redundant pairs of four-lane x 12 Gb/s Serial Attached SCSI (SAS) buses, providing continuous drive access to hosts in the event of a storage processor or bus fault. All models require four "system" drives and support a platform specific maximum number of disks (see Physical Specifications table above). 107 GBs per system drive on the Dell EMC Unity XT 380 models and 150 GBs on the Dell EMC Unity XT 480, 680, and 880 models is consumed by the operating environment software and data structures.
Disk Array Enclosure (DAE)
25 X 2.5" Drive DAE
80 X 2.5" Drive DAE
15 X 3.5" Drive DAE (Hybrid Arrays only)
Drive Types Supported
FLASH & SAS
FLASH & SAS
NL-SAS
Controller Interface
12 Gb SAS
12 Gb SAS
12 Gb SAS
Supported Media
System Category
All-Flash
All-Flash
Type
Usage/ Purpose
SSD (SAS) All-Flash
SSD (SAS) All-Flash
Nominal Capacity
800 GB
1.92 TB
Formatted Capacity*
733.5 GB
1751.9 GB
Interface
DPE 25 X 2.5" 80 X 2.5" 15 X 3.5" 25 Drive Drive DAE Drive DAE Drive DAE
12 Gb SAS
12 Gb SAS
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ASllp-FelacshSheeStSD (SAS) All-Flash
3.84 TB
3503.9 GB 12 Gb SAS
All-Flash
SSD (SAS) All-Flash
7.68 TB
7006.9 GB 12 Gb SAS
All-Flash
SSD (SAS) All-Flash
15.36 TB 14014.9 GB 12 Gb SAS
FAST
Hybrid
SSD (SAS) Cache &
400 GB
366.7 GB 12 Gb SAS
Mixed Pool
Hybrid
SSD (SAS) Mixed Pool 800 GB
733.5 GB 12 Gb SAS
Hybrid
SSD (SAS) Mixed Pool
1.6 TB
1467.45 GB 12 Gb SAS
Hybrid
SSD (SAS) Mixed Pool
3.2 TB
2919.9 GB 12 Gb SAS
Hybrid
SSD (SAS) All-Flash
7.6 TB
7006.9 GB 12 Gb SAS
Hybrid
10K HDD (SAS)
Mixed Pool
600 GB
536.7 GB 12 Gb SAS
Hybrid
10K HDD (SAS)
Mixed Pool
1.2 TB
1100.5 GB 12 Gb SAS
Hybrid
10K HDD (SAS)
Mixed Pool
1.8 TB
1650.8 GB 12 Gb SAS
Hybrid
7.2K HDD (NL-SAS)
Mixed Pool
4.0 TB
3668.6 GB 12 Gb SAS
Hybrid
7.2K HDD (NL-SAS)
Mixed Pool
6.0 TB
5505.0 GB 12 Gb SAS
Hybrid
7.2K HDD (NL-SAS)
Mixed Pool
12.0 TB
10948.7 GB 12 Gb SAS
*GB = Base2 GiB (GiB = 1024x1024x1024) All drives are 520 bytes/sector. All drives are non-SED. Data at Rest Encryption is done via the storage controller
Dell EMC Unity OE Protocols and Software Facilities
Support is provided for a wide variety of protocols and advanced features available via various software suites, plug-ins, drivers and packs.
Protocols and Facilities Supported
Access-based Enumeration (ABE) for SMB protocol Container Storage Interface (CSI) Driver
Direct Host Attach for Fibre Channel and iSCSI
Internet Control Message Protocol (ICMP)
LDAP (Lightweight Directory Access Protocol) Lock Manager (NLM) v1, v2, v3, and v4
Network Data Management Protocol (NDMP) v1-v4, 2-way & 3-way Network Time Protocol (NTP) client Portmapper v2
RSVD v1 for Microsoft Hyper-V
Simple Mail Transfer Protocol (SMTP)
VMware® Virtual Volumes (VVols) 2.0
Address Resolution Protocol (ARP)
Controller based Data at Rest Encryption (D@RE), with self-managed keys Dynamic Access Control (DAC) with claims support Kerberos Authentication
LDAP SSL Management & Data Ports IPv4 and/or IPv6
Network Information Service (NIS) Client
NFS v3/v4 Secure Support REST API: Open API that uses HTTP requests to provide management Simple Home Directory access for SMB protocol Simple Network Management Protocol v2c & v3 (SNMP) VMware® vRealizeTM Orchestrator (vRO) Plug-in
Block Protocols: iSCSI, Fibre Channel (FCP SCSI-3) DFS Distributed File System (Microsoft) as Leaf node or Standalone Root Server Fail-Safe Networking (FSN)
Key Management Interoperability Protocol (KMIP) compliant external key manager for D@RE Link Aggregation for File (IEEE 802.3ad) NAS Servers Multi-protocol for UNIX and SMB clients (Microsoft, Apple, Samba) Network Status Monitor (NSM) v1 Network Status Monitor (NSM) v1 NT LAN Manager (NTLM) Restriction of Hazardous Substances (RoHS) compliance SMI-S v1.6.1 compatible Dell EMC Unity Block & File client Virtual LAN (IEEE 802.1q)
4 DELL EMC UNITY XT © 2021 Dell Inc. or its subsidiaries.
SSepceucrSityhe&etCompliance (applies to all Dell EMC Unity XT systems, except Dell EMC UnityVSA)
Department of Defense Information Network Approved Products List (DODIN APL) Dell EMC Unity O.E. v5.1 Listed Common Criteria Controller based Data at Rest Encryption (D@RE) with self-managed keys KMIP compliant external key manager for D@RE FIPS 140-2 Level 1 validation IPv6 and dual stack (IPv4) modes of operation Native SHA2 certificate Security Technical Implementation Guide /Security Requirements Guide (STIG/SRG) TLS 1.2 support and TLS 1.0/1.1 disablement File-Level Retention: Enterprise FLR-E and Compliance FLR-C with requirements for SEC rule 17a-4(f)
Software
All Inclusive Base Software Interface Protocols
Management Software: · Unisphere: Element Manager · Unisphere Central: Consolidated dashboard and alerting · CloudIQ: Cloud-based storage analytics · Thin Provisioning · Dynamic Pools - All-Flash Arrays (AFA) only · Data Reduction: Zero Detect/Deduplication/Compression (AFA and All-Flash Pools in Hybrid Arrays, Block & File) · Host Groups · Proactive Assist: Configure remote support, online chat, open a service request, etc. · Quality of Service (Block and VVols) · Dell EMC Storage Analytics Adapter for VMware® vRealizeTM · File & Block Tiering / Archiving to Public/Private Cloud (Cloud Tiering Appliance) · File-Level Retention (FLR-E & FLR-C)
Unified Protocols: · File · Block · VVols
Local Protection: · Controller Based Encryption (optional), with self-managed or external key management · Local Point-In-Time Copies (Snapshots and Thin Clones) · AppSync Basic · Dell EMC Common Event Enabler; AntiVirus Agent, Event Publishing Agent
Remote Protection: · Native Asynchronous Block & File Replication, including bandwidth throttling · Native Synchronous Block & File Replication, including bandwidth throttling · MetroSync Manager (optional software to automate synchronous file replication sessions) · Snapshot Shipping · Dell EMC RecoverPoint Basic
Migration: · Native Block & File migration from Dell EMC VNX · SAN Copy Pull: Integrated Block migration from 3rd party arrays
Performance Optimization for Hybrid Arrays: · FAST Cache · FAST VP
NFSv3, NFSv4, NFSv4.1; CIFS (SMB 1), SMB 2, SMB 3.0, SMB 3.02, and SMB 3.1.1; FTP and SFTP; FC, iSCSI and VMware Virtual Volumes (VVols) 2.0
Optional Solutions
· AppSync Advanced · Connectrix SAN
· Data Protection Suite: Backup, Archive and Collaboration Software
· Dell EMC RecoverPoint Advanced
· Dell EMC RP4VM
· PowerPath Migration Enabler
· PowerPath Multipathing
· Unity XT metro node
· VPLEX
Note: For more details on software licensing, please contact your sales representative
Virtualization Solutions
5 DELL EMC UNITY XT © 2021 Dell Inc. or its subsidiaries.
Dell EMC Unity offers support for a wide variety of protocol and advanced features available via various software suites
anSdppeacckSshienceltuding but not limited to:
· OpenStack Cinder Driver: For provisioning and managing block volumes within an OpenStack environment · OpenStack Manila Driver: For managing shared file systems within an OpenStack environment · Dell EMC Virtual Storage Integrator (VSI) for VMware vSphereTM: For provisioning, management, and cloning · VMware Site Recovery Manager (SRM) Integration: Managing failover and failback making disaster recovery rapid and reliable · Virtualization API Integration: VMware: VAAI and VASA. Hyper-V: Offloaded Data Transfer (ODX) and Offload Copy for File · Ansible Module for Unity
Electrical Specifications
All power figures shown represent a worst case product configuration with max normal values operating in an ambient temperature environment of 20°C to 25°C.
The chassis power numbers provided may increase when operating in a higher ambient temperature environment.
Disk Processor Enclosure (DPE)
POWER
380F/380 DPE 25 2.5" SFF drives and four IO modules
480F/480 DPE 25 2.5" SFF drives and four IO modules
680F/680 DPE 25 2.5" SFF drives and four IO modules
880F/880 DPE 25 2.5" SFF drives and four IO modules
AC Line Voltage AC Line Current (operating maximum)
Power Consumption (operating maximum)
Power Factor
Heat Dissipation (operating maximum)
In-rush Current Startup Surge Current
AC Protection
100 to 240 VAC ± 10%, single phase, 47 to 63 Hz
10.07 A max at 100 VAC; 5.04 A max at 200VAC
10.6 A max at 100 VAC; 5.3 A max at 200VAC
11.72 A max at 100 VAC; 14.41 A max at 100 VAC;
5.86 A max at 200VAC
7.2 A max at 200VAC
1007 VA (970.5 W) max at
100 VAC; 1007 VA (970.5 W) max at
200 VAC
1060 VA
1172 VA
(1050 W) max at
(1161 W) max at
100 VAC;
100 VAC;
1060 VA (1050 W) max at 1172 VA (1161 W) max at
200 VAC
200 VAC
0.95 minimum at full load, @ 100/ 200 VAC
1440.77 VA (1411.96 W) max at
100 VAC; 1440.77 VA (1411.96 W)
max at 200 VAC
3.49 x 106 J/hr, (3,311 Btu/hr) max at 100 VAC;
3.49 x 106 J/hr, (3,311 Btu/hr) max (100V)
3.78 x 106 J/hr, (3,581 Btu/hr) max at 100 VAC;
3.78 x 106 J/hr, (3,581 Btu/hr) max 200VAC
4.18 x 106 J/hr, (3,960 Btu/hr) max at 100 VAC;
4.18 x 106 J/hr, (3,960 Btu/hr) max 200VAC
45 Apk "cold" per line cord, at any line voltage
5.08 x 106 J/hr, (4,818 Btu/hr) max at 100 VAC;
5.08 x 106 J/hr, (4,818 Btu/hr) max 200VAC
120 Apk "hot" per line cord, at any line voltage
15 A fuse on each power supply, single line
20 A fuse on each power supply, single line
AC Inlet Type (High Line) AC Inlet Type (Low Line)
Ride-through Time Current Sharing
* Requires customer supplied step-up transformer
IEC320-C14 appliance coupler, per power zone IEC320-C20 appliance coupler, per power zone
10 ms min ± 5 percent of full load, between power supplies
IEC320-C14 appliance coupler, per power zone*
6 DELL EMC UNITY XT © 2021 Dell Inc. or its subsidiaries.
DIMENSIONS
Spec Sheet
Weight kgs/lbs Vertical size Height cm/inches Width cm/inches Depth cm/inches
empty 24.60/54.11 2 NEMA units 8.88/3.5 44.76/17.62 61.39/24.17
empty 25.90/57.10 2 NEMA units 8.72/3.43 44.72/17.61 79.55/31.32
empty 25.90/57.10 2 NEMA units 8.72/3.43 44.72/17.61 79.55/31.32
empty 25.90/57.10 2 NEMA units 8.72/3.43 44.72/17.61 79.55/31.32
Note: Power consumption values for DPEs and DAEs are based on fully populated enclosures (power supplies, drives and I/O modules).
Disk Array Enclosure (DAE)
POWER
25 X 2.5" Drive DAE
80 X 2.5" Drive DAE
15 X 3.5" Drive DAE
AC Line Voltage
100 to 240 VAC ± 10%, single phase, 47 to 63 Hz
AC Line Current (operating maximum)
Power Consumption (operating maximum)
Power Factor
Heat Dissipation (operating maximum)
In-rush Current Startup Surge Current AC Protection AC Inlet Type
4.50 A max at 100 VAC, 2.40 A max at 200 VAC
13.18 A max at 100 VAC, 6.59 A max at 200 VAC
2.90 A max at 100 VAC, 1.60 A max at 200 VAC
453.0 VA/ 432.0 W max at 100 VAC 485.0 VA/ 427.0 W max at 200VAC
1318.0 VA/ 1233.0 W max at 100 VAC
1318.0 VA/ 1233.0 W max at 200VAC
0.95 minimum at full load, @ 100V/200V
287.0 VA/ 281.0 W max at 100 VAC 313.0 VA/ 277.0 W max at 200VAC
0.90 minimum at full load, @ 100V/200V
1.56 x 106 J/hr, (1,474 Btu/hr) max at 100 VAC
1.54 x 106 J/hr, (1,457 Btu/hr) max at 200 VAC
4.43 x 106 J/hr, (4,207 Btu/hr) max at 100 VAC
4.43 x 106 J/hr, (4,207 Btu/hr) max at 200 VAC
1.01 x 106 J/hr, (959 Btu/hr) max at 100 VAC
1.00 x 106 J/hr, (945 Btu/hr) max at 200 VAC
30 Apk "cold" per line cord, at any line voltage
45 Apk "cold" per line cord, at any line voltage
30 A max "cold" for ½ line cycle, per line cord at 240 VAC
40 Apk "cold" per line cord, at any line voltage
120 Apk "hot" per line cord, at any line voltage
15 A fuse on each power supply, single line
25 Amps peak max per line cord, at any line voltage
10 A fuse on each power supply, single line
IEC320-C14 appliance coupler, per power zone
Ride-through Time
12 ms minimum
10 ms minimum
30 ms minimum
Current Sharing
WEIGHT AND DIMENSIONS
± 5 percent of full load, between power supplies
Droop Load Sharing
Weight kg/lbs Vertical size
Empty: 10.0/22.1 Full: 20.23/44.61
2 NEMA units
Empty: 11.33/25 Full: 58.9/130
3 NEMA units
Empty: 14.5/32 Full: 30.8/68
3 NEMA units
Height cm/inches
8.46/3.40
13.21/5.20
13.33/5.25
Width cm/inches
44.45/17.5
44.70/17.6
44.45/17.5
Depth cm/inches
33.02/13
76.20/30
Note: Power consumption values for DPEs and DAEs are based on fully populated enclosures (power supplies, drives and I/O modules).
35.56/14
7 DELL EMC UNITY XT © 2021 Dell Inc. or its subsidiaries.
CSpabecinSehtseet
AC Line Voltage Power Configuration Power Inlet Count Plug Types
Input Power Capacity
AC Protection 40U Cabinet Dimensions
Standard 40U Cabinet
200 to 240 VAC ± 10%, single-phase, 47 to 63 Hz
One, two, three or four power domains, each redundant
Two, four, six, or eight (two per domain)
NEMA L6-30P or IEC309-332 P6 or IP57 (Australia)
1 Domain: 4,800 VA @ 200 VAC, 5,760 VA @ 240 VAC 2 Domain: 9,600 VA @ 200 VAC, 11,520 VA @ 240 VAC 3 Domain: 14,400 VA @ 200 VAC, 17,280 VA @ 240 VAC 4 Domain: 19,200 VA @ 200 VAC, 20,040 VA @ 240 VAC 30 A site circuit breakers on each power branch
Height - 75 in (190.8 cm); Width - 24.0 in (61.1 cm); Depth - 39.0 in (99.2 cm); Weight Empty 380 lb (173 kg)
8 DELL EMC UNITY XT © 2021 Dell Inc. or its subsidiaries.
OSppeeractSinhgeeetnvironment
The Dell EMC Unity XT 480F/480 880F/880 models meet ASHRAE Equipment Class A3 and the 380F/380 models meet ASHRAE Equipment Class A4.
Recommended Range Operation Continuous Allowable Range Operation
Improbable Operation (Excursion Limited)
Description
Specification
The limits under which equipment will operate the most reliably while still achieving reasonably energy-efficient data center operation.
Data center economization techniques (e.g. free cooling) may be employed to improve overall data center efficiency. These techniques may cause equipment inlet conditions to fall outside the recommended range but still within the continuously allowable range. Equipment may be operated without any hourly limitations in this range.
During certain times of the day or year, equipment inlet conditions may fall outside the continuously allowable range but still within the expanded improbable range. Equipment operation is limited to 10% of annual operating hours in this range.
18°C to 27°C (64.4°F to 80.6°F) at 5.5°C (59°F) dew.
5°C to 35°C (50°F to 95°F) at 20% to 80% relative humidity with 21°C (69.8°F) maximum dew point (maximum wet bulb temperature). De-rate maximum allowable dry bulb temperature at 1°C per 300m above 950m (1°F per 547 ft above 3117 ft).
35°C to 40°C (with no direct sunlight on the equipment) at -12°C dew point and 8% to 85% relative humidity with 24°C dew point (maximum wet bulb temperature). Outside the continuously allowable range (10°C to 35°C), the system can operate down to 5°C or up to 40°C for a maximum of 10% of its annual operating hours. For temperatures between 35°C and 40°C (95°F to 104°F), de-rate maximum allowable dry bulb temperature by 1°C per 175m above 950m (1°F per 319 ft above 3117 ft).
Exceptional Operation (Excursion Limited) ASHRAE 4 only
During certain times of the day or year, equipment inlet conditions may fall outside the continuously allowable range but still within the expanded exceptional range. Equipment operation is limited to 1% of annual operating hours in this range.
40°C to 45°C (with no direct sunlight on the equipment) at -12°C dew point and 8% to 90% relative humidity with 24°C dew point (maximum wet bulb temperature). Outside the continuously allowable range (10°C to 35°C), the system can operate down to 5°C or up to 45°C for a maximum of 1% of its annual operating hours. For temperatures between 35°C and 45°C (95°F to 104°F), de-rate maximum allowable dry bulb temperature by 1°C per 125m above 950m (1°F per 228 ft above 3117 ft).
Temperature Gradient Altitude
Max Operating
20°C / hour (36°F / hour) 3050m (10,000ft)
Statement of Compliance
Dell EMC Information Technology Equipment is compliant with all currently applicable regulatory requirements for Electromagnetic Compatibility, Product Safety, and Environmental Regulations where placed on market.
Detailed regulatory information and verification of compliance is available at the Dell Regulatory Compliance website. http://dell.com/regulatory_compliance
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Spec Sheet
Learn more about Dell EMC Unity XT solutions
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