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Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
$322.71
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652605-B21
HPE 146GB SAS 6G Enterprise 15K SFF (2.5in) SC 3yr Warranty...
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.

Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
652605-B21 is a 7200 RPM HDD built in a 3.5-inch form factor and equipped with a SATA III interface. It delivers a 4 TB storage capacity with a 128 MB cache, engineered with an MTBF of 1,000,000 hours and rated for 8,760 hours per year, ensuring robust performance and long-term reliability.
652605-B21 is designed for demanding applications in desktop, server, NAS, and surveillance environments. With advanced features such as helium-sealed construction, vibration protection, and dual actuator technology, this drive is ideally suited for data centers, enterprise storage, and multi-bay systems while maintaining efficient power consumption.
652605-B21 price is $248.49, a 23% saving from the Hpe list price of $322.71. 652605-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 652605-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
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| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III | SATA III | SATA III | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 10 TB | 4 TB | 4 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 128 MB | 256 MB | 256 MB | 128 MB | 256 MB |
| Data Transfer Rate | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 300 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit |
| Helium Sealed | Helium-Sealed | Helium-Sealed | No | Helium-Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 652605-B21 Enterprise Helium-Sealed HDD | Q2U14A Enterprise HDD | 507284-001 Enterprise HDD | 875313-B21 Enterprise HDD | P04474-B21 Enterprise HDD |
| Height | 1.03 inches | 1.03 inches | 1 inch | 1.0 inches | 1.03 inches |
| Width | 4.00 inches | 5.79 inches | 4 inches | 5.8 inches | 4.0 inches |
| Depth | 5.79 inches | 4.01 inches | 5.79 inches | 7.5 inches | 5.8 inches |
| Weight | 2.2 lbs | 1.5 lbs | 2.0 lbs | 2.2 lbs | 2.1 lbs |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reliable 15K drive for Gen9 servers. Easy installation and stable performance under heavy workloads.
Good upgrade for legacy systems. Drive was recognized instantly and runs smoothly.
Consistent low latency and no firmware issues. Solid enterprise storage option.
Used in a database server with great results. Performance has been steady.
Meets HPE quality standards. Dependable for 24/7 operations.
The HPE 652605-B21 offers a 146 GB capacity, 15 000 RPM spindle speed, 6 Gb/s SAS interface, 2.5″ SFF form factor, Smart Carrier design, and a 3-year HPE warranty.
Yes. This drive is fully validated for HPE ProLiant Gen8/Gen9—and newer—servers and arrays with SFF SAS backplanes.
It includes a 3-year HPE limited warranty covering parts, labor, and HPE-supported replacement services.
Insert the drive, with Smart Carrier attached, into an available 2.5″ SFF bay until it clicks, then verify detection via HPE iLO or the system BIOS.
You’ll get up to 205 MB/s sustained throughput and over 175 IOPS, optimized for high-transaction workloads.
While physically compatible with any SAS backplane, it is only officially supported and certified by HPE on HPE ProLiant servers.
The Smart Carrier simplifies drive identification, provides secure latching, and integrates LEDs for status reporting to speed up swaps.
Typical power draw is 9.4 W during read/write and 5.6 W idle, supporting efficient enterprise operations.
A 15 000 RPM speed reduces latency and boosts random read/write IOPS for demanding transactional and database applications.
It supports the industry-standard 6 Gb/s SAS interface (SFF-2 connector) for high-speed data transfers.
Yes. The drive supports hot-swap operations when used in a compatible HPE hot-plug enclosure.
This enterprise-grade HDD is designed for 24×7 operation with an MTBF of 1.6 million hours and robust error recovery.
It excels in high-transaction environments, including databases, virtualization, OLTP systems, and mixed-workload server farms.
Check for HPE holographic labels, matching SKU/serial numbers, and validate through HPE’s software management tools or authorized partner channels.
The drive is rated at an MTBF of 1.6 million hours at 40 °C, ensuring enterprise-class reliability.