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HP 40GB MLC SATA 3Gb/s 2.5-inch Internal Solid State Drive SSD - 659527-B21

HP 40GB MLC SATA 3Gb/s 2.5-inch Internal Solid State Drive SSD - 659527-B21

Part Number: 659527-B21
Manufacturer: HP

Condition: Refurbished

Weight: 3.0 lbs

Availability: In stock

Regular price $137.75
Regular price Sale price $137.75
Shipping calculated at checkout.
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HP 40GB MLC SATA 3Gb/s 2.5-inch Internal Solid State Drive — 659527-B21

The HP 659527-B21 is a 40GB MLC (Multi-Level Cell) SATA 3Gb/s 2.5-inch solid state drive designed for HP ProLiant server platforms. Purpose-built as a boot/OS drive for server deployments, it delivers fast, reliable solid-state performance for operating system and hypervisor installations — eliminating the mechanical failure risks of traditional spinning drives in always-on server environments. Its compact 2.5-inch form factor and SATA interface make it a straightforward drop-in replacement or upgrade for compatible HP ProLiant systems.

Key Specifications

  • Part Number / MPN: 659527-B21
  • Manufacturer: HP
  • Capacity: 40GB
  • NAND Type: MLC (Multi-Level Cell)
  • Interface: SATA 3Gb/s
  • Form Factor: 2.5-inch
  • Drive Type: Internal SSD
  • Primary Use: Boot / OS drive for HP ProLiant servers

Performance

  • Interface: SATA 3Gb/s (SATA II)
  • NAND Type: MLC — balanced read/write performance and endurance
  • Use Case: Boot drive / OS installation (not recommended for high-write workloads)

Features

  • Solid-state reliability — no moving parts for improved server uptime
  • MLC NAND for durable, consistent boot drive performance
  • 2.5-inch SATA form factor for broad server compatibility
  • HP OEM part — validated for ProLiant server platforms
  • Ideal for hypervisor (VMware ESXi, Hyper-V) and OS boot installations

Physical & Environmental

  • Form Factor: 2.5-inch
  • Interface: SATA 3Gb/s (backward compatible with SATA 6Gb/s hosts)

Compatibility

  • Compatible with HP ProLiant servers supporting 2.5-inch SATA SSDs (G6, G7, G8 generations)
  • Verify drive bay type (SFF SATA) and server generation compatibility before ordering
  • SATA 3Gb/s interface — compatible with SATA 6Gb/s hosts at 3Gb/s speeds
  • Recommended for boot/OS use only — not optimized for high-write database or logging workloads

Frequently Asked Questions

Why do I see an incorrect image for this item?

Images may be representative of the product model. For Refurbished items, the actual unit may differ in appearance from the image shown.

Specifications, part number, condition and included accessories are stated on this page.

What do you mean by term Refurbished?

Refurbished means a used computer part or device that has been cleaned, checked, and repaired to make sure it works properly again. Unlike regular second-hand items, refurbished products go through testing and fixing so they can perform like new.

How many days does it take to ship goods to customers?

All orders are processed within 1-2 business days. Orders placed on weekends or public holidays will be processed on the next business day. For more info visit shipping policy.

What is your return policy?

We offer a 30-day return policy subject to the terms and conditions described in our Refund Policy. Restocking fees may apply to eligible non-faulty returns. Kindly take a look at our Return Policy page.

Do you deliver my ordered items in their original retail box?

For Brand New items, you will receive them in their original retail box. For Refurbished items, you will receive them in a Brown Box or Bulk Packaging.

Do your printers come with ink cartridges?

Refurbished printers do not come with ink cartridges or toners.