HPE P40508‑B21 3.84TB SAS Read‑Intensive SSD
8,626.44 AED8,715.00 AED (-1%)
Key Features :
• 3.84 TB high‑capacity SAS solid‑state storage
• 12 Gb/s SAS interface with hot‑plug support
• Read‑intensive design for high throughput
• 2.5" small form factor with Basic Carrier
• Compatible with HPE ProLiant servers
Description
HPE P40508‑B21 3.84TB SAS Read‑Intensive SSD – In Dubai
Overview :
The HPE P40508‑B21 is a high‑capacity 3.84 TB SAS 12 Gb/s read‑intensive solid‑state drive engineered for enterprise storage workloads where high throughput and read performance are required. It is deployed by data center infrastructure teams in HPE ProLiant servers and storage arrays to accelerate read‑dominated operations such as caching, large dataset access, and service layer response times.
Built on a 12 Gb/s SAS interface with a Basic Carrier for hot‑plug support, this drive is designed to deliver sustained high read IOPS and improved bandwidth compared to lower‑tier SATA drives. Typical random read performance reaches over 155 000 IOPS and sequential throughput supports enterprise file access patterns, aligning with the scalability demands of mixed storage environments.
The 2.5‑inch small form factor allows integration into standard SAS backplanes within rack and tower servers, maintaining compatibility with enterprise storage tiers. Its firmware is digitally signed and validated across supported platforms to ensure consistent behavior in storage arrays, RAID configurations, and managed server deployments.
In typical integration scenarios, the drive forms part of tiered storage architectures where read‑optimized layers are separated from write‑intensive volumes, reducing latency for frequently accessed data. Its large capacity also accommodates data caching and hot data servicing without requiring additional expansion hardware.
Practically, this SSD is used to improve application responsiveness in content delivery, analytical queries, and read‑heavy workloads where traditional disk or lower‑speed SSDs cannot meet performance thresholds. It is not intended for write‑intensive environments or low‑latency NVMe storage layers, where alternative technologies provide superior write endurance and throughput.
Typical Deployment Scenarios :
• Read‑optimized tier in HPE ProLiant server storage arrays
• Boot and OS volume acceleration in enterprise servers
• SAS cache layer in data analytic infrastructure
• High‑throughput web and file serving workloads
• Replacement of legacy SAS HDDs for performance uplift
Technical Specifications :
| Specification | Details |
|---|---|
| Brand | HPE |
| Part Number | P40508‑B21 |
| Product Type | Internal SAS Solid State Drive (SSD) |
| Storage Capacity | 3.84 TB |
| Interface | SAS 12 Gb/s |
| Form Factor | 2.5‑inch SFF |
| Drive Type | Read‑Intensive SSD |
| Carrier Type | Basic Carrier |
| Random Read IOPS | Up to ~155 000 |
| Random Write IOPS | ~36 000 |
| Sequential Read | Enterprise‑class throughput |
| Endurance (DWPD) | ~1 (read‑intensive) |
| Hot‑Plug Support | Yes |
| Operating Temp | Standard server range |
| Dimensions (H×W×D) | ~15 mm × 70 mm × 100 mm (approx) |
| Weight | ~0.50 lb |
Compatibility / Ecosystem :
• Supported in HPE ProLiant Gen10+, Gen11 server platforms
• Works with SAS RAID controllers and HBAs
• Compatible with 2.5″ SAS backplanes in rack and tower servers
• Integrates into managed enterprise storage environments
Specification
Additional information
| Weight | 0.5 kg |
|---|---|
| Dimensions | 22.86 × 21.92 × 14.61 cm |
| Brand | HPE |
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