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Silver 4U rackmount storage server with 24 front drive bays

IBM

IBM FlashSystem 9500 365TB barebone server

SKU CH-Y2PZ-RW2T2 MPN FlashSystem 9500 All Flash 365TB

4U rackmount storage server with 24 × 9.6 TB FlashCore modules delivering 365 TB effective capacity, 3 TB cache, 100 GB/s bandwidth and sub-50 µs latency

  • Form factor4U Rackmount
  • Target workloadStorage Server
  • 2.5" baysCapacity: 365 TB Cache: 3 TB Cache Drive Configuration: 24 ×
  • Key featuresData Reduction Pools (Compression, DeDuplication, Thin Provi
  • Enterprise storage density with 24 x 9.6TB FlashCore Modules
  • Hardware-accelerated compression delivers 365TB effective capacity
  • Sub-50µs latency powers demanding workloads
  • 3TB cache accelerates read and write performance
  • Scale-out clustering with Hyperswap high availability

365 TB All-Flash Storage Server

The IBM FlashSystem 9500 is a 4U rackmount server barebone built for enterprise storage workloads. It ships with 24 FlashCore Modules of 9.6 TB each, delivering 230 TB raw and 182 TB usable capacity. Effective capacity reaches 365 TB when 2:1 hardware compression is applied. The platform targets organisations that need high-density, low-latency block storage in a single chassis.

Sustained Load Behaviour

Under continuous demand the system sustains up to 8M IOPS and 100 GB/s bandwidth with minimum latency under 50 µs. Distributed RAID 1 and 6 protect data without dedicated parity drives, while 3 TB of cache absorbs write bursts. Easy Tier AI-driven tiering and transparent data migration keep performance steady as data temperatures shift across the 24 modules.

Interface Practical Limits

Host connectivity uses 10Gb iSCSI and 32Gb Fibre Channel, with support for 32/64 Gbps FC-NVMe and 10/25/100 Gbps Ethernet NVMe RDMA. The 24-drive bay population caps raw expansion at the configured 230 TB. Buyers needing more raw capacity, additional host ports beyond the eight four-port cards, or scale-out clustering across multiple frames must look beyond this single 4U unit.

How it compares

Measured against everything we stock in Barebone Servers & DIY Kits, at today’s prices. Recalculated every night.

Price $364,326.99
Pricier than about 97% of the 532 comparable items (median $2,503.49).

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Specifications

Product
Brand nameIBM
Product lineFlashSystem
Model nameFlashSystem 9500 All Flash 365 TB
Target workloadStorage Server
Storage
2.5" baysCapacity: 365 TB
Cache: 3 TB Cache
Drive Configuration: 24 × 9.6 TB FCM
Host Connections: 10Gb iSCSI, 32Gb Fiber Channel
Drives Supported: 2.5 in flash drives,IBM FlashCore Modules. Storage Class Memory
Connectivity Supported: 32/64 Gbit/s Fibre Channel (FC, NVMeoF), 10/25/100 Gbit/s Ethernet (iSCSI and NVMe RDMA)
Max IOPs: 8M IOPs
RAID levels: Distributed RAID 1 and 6
Min latency: Under 50µs
Max bandwidth: 100 GB/s
Size & build
Form factor4U Rackmount
Shipping weight18.14 kg
Package size483 × 432 × 102 mm

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