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IBM FlashSystem 5045 2U rack server with twelve drive bays

IBM

IBM FlashSystem 5045 175TB 12x20TB 7.2K NL-SAS 2U

SKU CH-V2H2-XA60R MPN FlashSystem 5045 NL-SAS HDD 175TB

2U rackmount storage server with 175TB capacity using 12 x 20TB 7.2K NL-SAS drives, 64GB cache, 16Gb Fibre Channel and 1Gb iSCSI connectivity

  • Form Factor2U Rackmount
  • WorkloadStorage Server
  • 2.5" BaysCapacity: 175TB Cache: 64GB Drive Configuration: 12 x 20TB 7
  • FeaturesData Reduction Pools (Compression, DeDuplication, Thin Provi

Option FlashSystem 5045 NL-SAS HDD 175TB

  • 175TB raw capacity from 12 x 20TB 7.2K NL-SAS drives
  • 64GB cache accelerates read and write operations
  • 16Gb Fibre Channel and 1Gb iSCSI host connectivity
  • Distributed RAID 1, 5 and 6 protect data across drives
  • Under 70µs latency for responsive storage access

IBM FlashSystem 5045 175TB Storage Server

The IBM FlashSystem 5045 is a 2U rackmount storage server configured with twelve 20TB 7.2K NL-SAS drives for a total raw capacity of 175TB. It includes 64GB of cache and supports mixed drive types including 2.5-inch flash, 2.5-inch SFF, and 3.5-inch LFF drives. This system targets enterprises needing high-capacity block storage with integrated data reduction and cyber resilience features.

Host Connectivity Limits 1Gb iSCSI 16Gb Fibre

Host connectivity is provided through onboard 1Gb iSCSI and 16Gb Fibre Channel adapters, with backend connectivity supporting 12Gb SAS. The interface mix caps iSCSI throughput at 1Gb per link while Fibre Channel reaches 16Gb, shaping performance for latency-sensitive workloads. Maximum sustained bandwidth reaches 12GB/s and peak IOPs hit 1.2M under optimal conditions with minimum latency under 70µs.

Installation Notes Rackmount Hot-Swap Redundancy

The 2U form factor fits standard racks and uses fully redundant, hot-swappable fans and power supplies to simplify maintenance without downtime. Eight 5m OM3 fibre cables with LC connectors are included for immediate Fibre Channel cabling. Buyers who need NVMe flash media or FC-NVMe host protocol support cannot use this model, and those requiring hardware-assisted compression must look elsewhere.

Highlights

  • 175TB raw capacity from 12 x 20TB 7.2K NL-SAS drives
  • 64GB cache accelerates read and write operations
  • 16Gb Fibre Channel and 1Gb iSCSI host connectivity
  • Distributed RAID 1, 5 and 6 protect data across drives
  • Under 70µs latency for responsive storage access

Specifications

BrandIBM
SeriesFlashSystem
Model5045 All Flash 9TB
Form Factor2U Rackmount
WorkloadStorage Server
2.5" BaysCapacity: 175TB
Cache: 64GB
Drive Configuration: 12 x 20TB 7.2K NL-SAS HDD
Host Connections: 1GB iSCSI, 16GB Fiber Channel
Drives Supported: 2.5-inch flash drives, SFF 2.5-inch disk drives, LFF 3.5-inch disk drives
Connectivity Supported: 10Gb ISCSI, 16Gb Fiber Channel, 12Gb SAS
Max IOPs: 1.2M IOPs
RAID levels: Distributed RAID 1, 5 and 6
Min latency: Under 70µs
Max bandwidth: 12GB/s
FeaturesData Reduction Pools (Compression, DeDuplication, Thin Provisioning, UNMAP): Yes
Hardware Assisted Compression: No
Encryption: Yes
VMWare Integration: Yes
IBM Safeguarded Copy: Yes
CyberVault Support for Cyber Resiliency: Yes
Remote Replication (Synchronous Metro Mirror, Asynchronous Global Mirror): Yes
Hyperswap High Availability: Yes
NVMe Flash: No
FC-NVMe Host Connections: No
Easy Tier AI-driven automated tiering: Yes
Storage Class Memory: No
Transparent Data Migration: Yes
Red Hat OpenShift Container Integration: Yes
Scale-out Clustering: Yes
Heterogenous Support for >500 storage
Shipping weight18.14 kg
Package size483 × 432 × 102 mm

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Questions about this item

How does the 175TB capacity from 12 x 20TB drives affect usable space after RAID overhead?

The 12 x 20TB 7.2K NL-SAS drives deliver 175TB raw capacity; usable space depends on the chosen Distributed RAID 1, 5 or 6 level, which reserves capacity for parity and rebuilds.

What does the 1.2M IOPs figure mean for everyday workloads?

The 1.2M IOPs rating is a peak under optimal conditions; real-world performance varies with I/O size, read/write mix and the 64GB cache, while latency stays under 70µs.

Which host interfaces are on board and what bandwidth do they cap at?

Onboard connections include 10Gb iSCSI and 16Gb Fibre Channel; the system also supports 12Gb SAS expansion, so host throughput is limited by the chosen 10Gb or 16Gb link.

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