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P04556-B21
HPE 240GB SATA 6G Read Intensive SFF (2.5in) SC 3yr Wty Digi...
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.
P04556-B21 is a high-performance HDD engineered in a 3.5-inch form factor with a SATA III interface, delivering a spindle speed of 7200 RPM, a storage capacity of 4 TB, and a robust 256 MB cache. It boasts an MTBF of 1,200,000 hours along with a rated annual workload of 180 TB/yr, ensuring consistent and reliable operation under demanding conditions.
P04556-B21 is purpose-built for versatile use across desktop, server, NAS, and surveillance applications. Optimized for lower power consumption during both active and idle states, this drive features advanced helium-sealed technology, integrated vibration protection, and dual actuator capabilities, making it an ideal solution for data centers, enterprise environments, and high-demand multimedia systems.
P04556-B21 price is $215.60, a 63% saving from the Hpe list price of $582.71. P04556-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for P04556-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
Scenario: Deploy 240GB SATA 6G Read Intensive SFF SSDs as boot drives in geographically distributed edge servers to accelerate OS and container startup. Benefit: Achieves 50% faster boot and application launch times, enhances operational reliability with digitally signed firmware, and reduces maintenance windows across remote sites.
Scenario: Integrate HPE P04556-B21 240GB SSDs into Virtual Desktop Infrastructure pools to handle login storms and frequent read-heavy workloads. Benefit: Delivers up to 3× faster user login and application response, improves end-user experience, and lowers infrastructure costs with a 3-year warranty and proven read-intensive endurance.
Scenario: Implement HPE 240GB SATA 6G Read Intensive SSDs as caching layers in web and content delivery servers to serve static assets and API responses. Benefit: Boosts page load speeds by 40%, increases concurrent user capacity, ensures data integrity with HPE’s digitally signed firmware, and supports consistent high-performance under read-heavy traffic spikes.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| P04556-B21 |  K2R24A |  P09712-B21 |  Q0F43A |  759212-B21 | |
|---|---|---|---|---|---|
| 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 / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance |
| Interface | SATA III | SATA III | SATA III | SATA III / SAS 12Gb/s | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch / 2.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 4 TB | 4 TB | 10 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Data Transfer Rate | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 300 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 180 TB/yr | 550 TB/yr | 300 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 8 Watts | 8 Watts | 12 Watts |
| Power Consumption (Idle) | 4 Watts | 7 Watts | 5 Watts | 5 Watts | 8 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Advanced Features | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–60°C | 5–55°C | 5–55°C | 5–60°C | 5–55°C |
| Product Name | P04556-B21 | K2R24A Enterprise HDD 4TB | P09712-B21 Enterprise HDD | Q0F43A 10TB Enterprise Helium-Sealed HDD | 759212-B21 Enterprise HDD |
| Height | 1.034 inches | 1.03 inches | 1.0 inches | 1.03 inches | 1.0 inches |
| Width | 5.787 inches | 5.8 inches | 5.78 inches | 4 inches | 5.8 inches |
| Depth | 7.111 inches | 8.3 inches | 4.00 inches | 5.8 inches | 8.0 inches |
| Weight | 1.2 lbs | 1.5 lbs | 1.5 lbs | 2.0 lbs | 1.2 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.
SAS MU SSD with dependable performance. Easy integration.
Stable SSD for production workloads.
Consistent throughput and no errors.
Good endurance for mixed use cases.
Meets enterprise reliability standards.
This SSD offers 240GB capacity, SATA 6Gb/s interface, 2.5-inch SFF form factor, read‐intensive endurance, digitally signed firmware and a 3-year HPE warranty.
You can achieve up to 550 MB/s sequential reads and 520 MB/s sequential writes on typical HPE server platforms.
It is qualified for HPE ProLiant Gen9, Gen10 and Gen11 servers with SFF drive bays and SATA 6 Gb/s backplanes.
Slide the drive into an empty SFF (2.5-inch) hot-plug bay, secure it in the carrier, then reboot to let HPE Smart Array detect it.
Yes. It supports OS boot operations when installed in an HPE Smart Array controller or native SATA bay.
Read-intensive drives are designed for workloads with high read-to-write ratios, offering up to 0.3 DWPD (Drive Writes Per Day).
The MTBF is rated at 2 million hours, reflecting high reliability for read-intensive enterprise environments.
HPE provides a 3-year limited warranty covering defects in materials and workmanship.
Digitally signed firmware ensures authenticity and integrity, preventing unauthorized or malicious firmware modifications.
Yes. The 2.5-inch SFF drive is hot-plug capable in compatible HPE carrier caddies.
Low latency and high IOPS accelerate read-intensive applications like analytics, web servers, and database queries.
It operates reliably between 0 °C and 60 °C (32 °F to 140 °F) in typical data center environments.
Yes. It is validated for use with HPE Smart Array SAS/SATA controllers for RAID and non-RAID configurations.
It uses a 2.5-inch SFF (Small Form Factor) design compatible with standard HPE server bays.
Use HPE Smart Storage Administrator or HPE InfoSight to monitor health, view SMART attributes and apply firmware updates.
Optimized for high read IOPS, low latency and consistent performance, it excels in web hosting, media streaming and virtualization.
United States
