Detailed Specifications
HPE P40507-B21 1.92 TB SAS 12Gb/s Read-Intensive SSD
Overview
The HPE P40507-B21 is a 1.92 TB read-intensive solid-state drive optimized for server workloads where reads dominate. It uses a 12 Gb/s SAS interface and TLC NAND to deliver a balance of performance and efficiency. Its 2.5-inch SFF form factor fits into hot-swap drive bays in HPE ProLiant systems. Ideal for caching, boot, web, or content-delivery use cases, it supports up to 1 DWPD and has a digitally signed firmware for reliability.
Key Features
1.92 TB capacity in a compact 2.5″ SFF form factor
SAS 12 Gb/s interface for high data-throughput
Read-intensive design with 1 DWPD endurance
High random read IOPS (~97,000) for read-heavy workloads
Hot-plug support and basic carrier compatibility
Technical Specifications
| Specification | Details |
|---|
| Brand | HPE |
| Part Number | P40507-B21 |
| Product Type | Solid State Drive (SSD) |
| Storage Capacity | 1.92 TB |
| Interface | SAS 12 Gb/s |
| NAND Type | TLC |
| Workload Class | Read-Intensive |
| Sequential Read Speed | 810 MB/s |
| Sequential Write Speed | 620 MB/s |
| Random Read (4 KB) | ~97,000 IOPS |
| Random Write (4 KB) | ~36,000 IOPS |
| Latency (Read) | ~140 µs |
| Latency (Write) | ~35 µs |
| Drive Writes Per Day (DWPD) | 1 |
| Power Consumption (Typical) | ~6.37 W |
| Form Factor (H × W × D) | ~0.57″ × 2.75″ × 3.94″ (≈ 1.50 cm × 69.9 mm × 100 mm) |
| Weight | ~1.10 lbs (500 g) |
