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2U rackmount storage server with 24 front drive bays

IBM

IBM FlashSystem 7300 All Flash 1.5PB 24 x 38.4TB barebone server

SKU CH-13DN-RZEET MPN FlashSystem 7300 All Flash 1.5PB

2U rackmount storage server delivering 1.5PB effective capacity with 24 FlashCore modules, 756GB cache and sub-50µs latency

  • Form Factor2U Rackmount
  • WorkloadStorage Server
  • 2.5" BaysCapacity: 1.5PB Cache: 756GB Drive Configuration: 24 x 38.4T
  • FeaturesData Reduction Pools (Compression, DeDuplication, Thin Provi
  • Massive 1.5PB effective capacity with 2:1 compression
  • 24 FlashCore Modules deliver 920TB raw storage
  • 756GB cache accelerates demanding workloads
  • Under 50µs latency for real-time response
  • 32Gb Fibre Channel and 10Gb iSCSI connectivity

Enterprise Storage Platform

The IBM FlashSystem 7300 All Flash 1.5PB is a 2U rackmount storage server designed for organisations that require high-density flash capacity in a compact form factor. It targets environments running latency-sensitive databases, virtualised workloads and analytics where consistent microsecond response times are critical. The system ships as a barebones chassis populated with 24 IBM FlashCore Modules delivering 920TB raw and 765TB usable capacity. Effective capacity reaches 1.5PB assuming 2:1 data reduction.

Hardware Integration

The chassis provides 2.5-inch bays supporting FlashCore Modules, SFF drives and LFF drives for flexible media choices. Front-end connectivity uses four 4-port 32Gb Fibre Channel cards and 10Gb iSCSI interfaces, supplied with 16 OM3 fibre cables for immediate deployment. A 756GB cache tier absorbs write bursts and accelerates read-heavy workloads. Hardware-assisted compression and encryption offload processing from host servers, reducing CPU overhead for applications and virtual machines.

Protocol Constraints

The platform supports 16/32Gbps Fibre Channel and 10/25/100Gbps Ethernet for iSCSI and NVMe RDMA transport. Maximum sustained bandwidth is rated at 45GB/s with peak IOPs of 3.5M and minimum latency under 50µs. Distributed RAID 1, 5 and 6 protect data across modules while maintaining performance during rebuilds. Buyers needing higher single-stream throughput or lower latency than the quoted figures should evaluate alternative architectures. Environments without Fibre Channel or high-speed Ethernet fabric cannot utilise the full interface capability.

Highlights

  • Massive 1.5PB effective capacity with 2:1 compression
  • 24 FlashCore Modules deliver 920TB raw storage
  • 756GB cache accelerates demanding workloads
  • Under 50µs latency for real-time response
  • 32Gb Fibre Channel and 10Gb iSCSI connectivity

Specifications

BrandIBM
SeriesFlashSystem
ModelFlashSystem 7300 All Flash 1.5PB
Form Factor2U Rackmount
WorkloadStorage Server
2.5" BaysCapacity: 1.5PB
Cache: 756GB
Drive Configuration: 24 x 38.4TB FlashCore Module
Host Connections: 10Gb iSCSI, 32Gb Fiber Channel
Drives Supported: 2.5-inch flash drives, SFF 2.5-inch disk drives, LFF 3.5-inch disk drives, IBM FlashCore Modules. Storage Class Memory
Connectivity Supported: 16/32 Gbps Fibre Channel (FC, NVMeoF), 10 Gbps Ethernet (iSCSI), 10/25/100 Gbps Ethernet (iSCSI and NVMe RDMA)
Max IOPs: 3.5M IOPs
RAID levels: Distributed RAID 1, 5 and 6
Min latency: Under 50µs
Max bandwidth: 45 GB/s
FeaturesData Reduction Pools (Compression, DeDuplication, Thin Provisioning, UNMAP): Yes
Hardware Assisted Compression: Hardware Based
Encryption: Yes
VMWare Integration: Yes
Policy Based High Availability: Yes
Hyperswap High Availability: Yes
NVMe Flash: Yes
FC-NVMe Host Connections: Yes
Easy Tier AI-driven automated tiering: Yes
Storage Class Memory: Yes
Transparent Data Migration: Yes
Red Hat OpenShift Container Integration: Yes
Scale-out Clustering: Yes
Heterogenous Support for >500 storage systems: Yes
Metro Mirror (synchronous): Yes
Global Mirror (asynchronous): Yes
IBM Spectrum Virtua
Shipping weight18.14 kg
Package size483 × 432 × 102 mm

Questions about this item

What host interface speeds does the FlashSystem 7300 support, and what bandwidth limit do they cap at?

The system provides 10Gb iSCSI and 32Gb Fibre Channel host connections, with a maximum sustained bandwidth of 45 GB/s.

What rack space and drive bay layout does the 2U chassis require for the 24 FlashCore Modules?

It occupies a 2U rackmount slot and uses 24 bays for 2.5-inch FlashCore Modules delivering 1.5PB effective capacity.

How is the FlashSystem 7300 cabled for Fibre Channel, and which step is often missed?

Sixteen 5m OM3 LC fibre cables are supplied for the four 4-port 32Gb FC cards; the step often missed is connecting every port to the fabric for full multipath redundancy.

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