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IBM FlashSystem 7300 2U rackmount server front view with 24 drive bays

IBM

IBM FlashSystem 7300 All Flash 380TB 2U barebone server

SKU CH-8BBC-N775J MPN FlashSystem 7300 All Flash 380TB

2U storage server with 24 FlashCore modules delivering 380TB effective capacity, 756GB cache, and 3.5M IOPS under 50µs latency

  • Form Factor2U Rackmount
  • WorkloadStorage Server
  • 2.5" BaysCapacity: 380TB Cache: 756GB Drive Configuration: 24 x 9.6TB
  • FeaturesData Reduction Pools (Compression, DeDuplication, Thin Provi
  • 5M IOPS throughput powered by 24 FlashCore Modules
  • 380TB effective capacity via 2:1 hardware compression
  • 756GB cache accelerates latency-sensitive workloads
  • 32Gb Fibre Channel and 10Gb iSCSI host connectivity
  • 2U rack form factor packs enterprise storage density

IBM FlashSystem 7300 380TB storage server

The IBM FlashSystem 7300 is a 2U rackmount storage server delivering 380TB effective capacity with 2:1 compression. It targets enterprises that need high-density flash storage for databases, virtualisation and analytics workloads. Twenty-four 9.6TB FlashCore modules provide the raw 230TB and 190TB usable capacity. The system includes 756GB of cache and supports 2.5-inch and 3.5-inch drives.

Thermals noise and power in normal use

The barebones chassis is designed for data-centre airflow with redundant cooling modules that maintain component temperatures during typical mixed read-write operations. Power draw scales with the 24 installed FlashCore modules and the 756GB cache, while fan speeds adjust to keep acoustic output within standard rack limits. Host connectivity uses 10Gb iSCSI and 32Gb Fibre Channel links for efficient data transfer.

Behaviour under sustained load

Under continuous demand the system sustains up to 3.5M IOPs and 45 GB/s bandwidth with latency under 50µs. Distributed RAID 1, 5 and 6 protect data during extended rebuilds, while hardware-assisted compression and deduplication reduce write amplification. Easy Tier AI-driven tiering and Hyperswap high availability keep performance consistent during prolonged peak periods.

Highlights

  • 5M IOPS throughput powered by 24 FlashCore Modules
  • 380TB effective capacity via 2:1 hardware compression
  • 756GB cache accelerates latency-sensitive workloads
  • 32Gb Fibre Channel and 10Gb iSCSI host connectivity
  • 2U rack form factor packs enterprise storage density

Specifications

BrandIBM
SeriesFlashSystem
ModelFlashSystem 7300 All Flash 380TB
Form Factor2U Rackmount
WorkloadStorage Server
2.5" BaysCapacity: 380TB
Cache: 756GB
Drive Configuration: 24 x 9.6TB 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

How do I install the 24 FlashCore Modules in the 2U chassis and what step is often missed?

Mount the 2U chassis in a standard rack, insert all 24 FCM 4 modules into the 2.5-inch bays, connect the 16 OM3 fibre cables to the four 4-port 32Gb cards, then run the initial cluster wizard to activate the 756GB cache and distributed RAID — skipping the wizard leaves the 380TB effective capacity offline.

Which components will need replacement after several years of continuous operation?

The 24 IBM FlashCore Modules 4 and the dual power supplies are the only field-replaceable units; FlashCore Modules carry a write-endurance rating that typically exceeds five years at 3.5M IOPs, while fans and power supplies are hot-swappable and rated for the same service window.

What performance limit appears first when the array sustains peak mixed workloads?

Sustained 3.5M IOPs with under 50µs latency will hit the 45 GB/s bandwidth ceiling before the 756GB cache or the 32Gb Fibre Channel links saturate.

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