Product Description
IBM 4657-24G FlashSystem 7000 2U24 SFF SAS Expansion Enclosure
The IBM 4657-24G FlashSystem 7000 2U24 SFF SAS Expansion Enclosure delivers high-density, cost-effective capacity scaling for the FlashSystem 7000 series NVMe control enclosures. This 2U rack-mountable SAS expansion supports 24 x 2.5-inch SFF SAS SSDs or enterprise HDDs, enabling tiered or hybrid storage pools while maintaining full compatibility with IBM Storage Virtualize software, Distributed RAID, ransomware protection, and data reduction features.
Designed for seamless SAS chaining at 12 Gbps, the 4657-24G provides reliable, high-performance expansion for IBM Power Systems and IBM i environments.
Key Features of the IBM 4657-24G FlashSystem 7000 SFF Expansion Enclosure
- • 2U rack with 24 x 2.5-inch SFF hot-swap drive bays
- • 12 Gbps SAS connectivity for high-speed chaining to the control enclosure
- • Hot-swap drive bays and redundant canisters for maximum availability
- • Support for intermixing SAS SSDs and enterprise HDDs (10K RPM) in tiered storage pools
- • Distributed RAID (DRAID) with fast rebuild times and always-on data services
- • Scalable to petabyte-level effective capacity through hardware compression and deduplication
- • Full integration with IBM Storage Virtualize for unified management and orchestration
- • Enterprise-grade reliability with predictive failure analysis and hot-swap components
Technical Specifications
| Component | Specification |
|---|---|
| Model | 4657-24G (2U24 SFF SAS Expansion) |
| Form Factor | 2U rack |
| Drive Bays | 24 x 2.5-inch SFF hot-swap |
| Drive Support | SAS SSDs and enterprise HDDs (10K RPM) |
| Connectivity | 12 Gbps SAS chaining to FlashSystem 7000 control enclosure |
| Expansion Limit | Up to 12 SAS enclosures per control enclosure |
| Compatibility | FlashSystem 7000 series NVMe control enclosures |
Priced Configuration –
| Feature Code | Description |
|---|---|
| 4657-24G | IBM FlashSystem 7000 SFF Expansion Enclosure |
| 9730 | Power Cord-PDU Connection |
| ACUA | 0.6m12 GB SAS Cable (QTY=2) |
| ADN1 | Order Type 1 Indicator - CTO |
| AHHH | 3.84TB 12 GB SAS 2.5 Inch Flash Drive (QTY=2) |
| AHZD | All Flash Indicator |
| AKCH | Standard S&H Indicator |
| ALH0 | IBM Storage Expert Care Indicator |
| ALL5 | EC Premium 5 Year |
Virtualization, Security and Reliability
IBM Storage Virtualize software unifies the FlashSystem 7000 control enclosure with the 4657-24G expansion, delivering logical volume management, workload mobility, immutable snapshots, and Safeguarded Copy. Combined with Transparent Data Encryption and battery-protected cache, this enclosure ensures the highest levels of data protection and operational continuity for IBM Power Systems and IBM i environments.
Every IBM 4657-24G FlashSystem 7000 2U24 SFF SAS Expansion Enclosure purchased from Data Tech Computer is backed by a full 60-day warranty for complete peace of mind.
Ready to Order This Affordable 7000 Storage Expansion?
Data Tech Computer Services, Inc. Call 770-772-0200 or email sales@datatechcomputer.com IBM Business Partner since 1994 – Installation, migration and support available.
© 2026 Data Tech Computer Services, Inc. | Authorized IBM Power Systems Partner | All prices in USD