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P04474-B21
HP 480GB SATA 6G RI SFF (2.5 IN) SC DS FIRMWARE SSD
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P04474-B21 is an HDD engineered for high-performance and reliability, featuring a 3.5-inch form factor and a SATA III interface. It operates at 7200 RPM, offers a storage capacity of 4 TB with a 256 MB cache, and is designed to handle demanding workloads with a rigorous annual workload rating of 550 TB/yr and an MTBF rated at 2,000,000 hours.
P04474-B21 is ideal for desktop, server, NAS, and surveillance applications, making it well-suited for data centers and other mission-critical environments. With low power consumption during read/write (7 Watts) and idle (5 Watts) operations, it incorporates advanced features such as a helium-sealed construction, robust vibration protection, and dual actuators to optimize performance and longevity.
P04474-B21 price is $317.16, a 45% saving from the Hpe list price of $576.64. P04474-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for P04474-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
In a corporate VDI deployment hosting 200+ concurrent desktops, the P04474-B21-HP 480GB SATA 6G RI SFF SSD serves as primary OS and user profile storage. Its enterprise-grade firmware delivers consistent sub-millisecond access times and 90K IOPS, reducing login latency by 50% and boosting end-user productivity while cutting data center power and cooling costs.
For mission-critical SQL and NoSQL clusters in financial services, the P04474-B21-HP 480GB SATA 6G RI SFF SSD is deployed for operating system volumes and transaction logs. Its optimized firmware and sustained throughput of 550 MB/s ensure rapid startup and deterministic log writes, minimizing recovery time objectives (RTO) and delivering 40% faster transaction processing.
Retail chains with unmanned kiosks and point-of-sale terminals at remote locations leverage the P04474-B21-HP 480GB SATA 6G RI SFF SSD for OS, local caching, and edge analytics. The drive’s shock-resistant design, self-encrypting firmware and consistent I/O performance guarantee zero system downtime, enhancing transaction throughput by 35% and simplifying compliance with data-security mandates.
To get the detailed certification, please go to the Compliance Center.
 P04474-B21 |  N9Y06B |  875317-B21 |  Q6M13A |  K2P88A | |
|---|---|---|---|---|---|
| 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 | Server | Desktop / Server / NAS / Surveillance / Enterprise Storage | Server | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III | SATA III | SATA III | SATA III / SAS 12Gb/s |
| 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 | 8 TB | 10 TB | 10 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 |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Data Transfer Rate | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 7 Watts | 8 Watts | 8 Watts | 8 Watts | 7.5 Watts |
| Power Consumption (Idle) | 5 Watts | 6 Watts | 4 Watts | 5 Watts | 5.2 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | No | No | 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 | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | P04474-B21 Enterprise HDD | N9Y06B Enterprise HDD | 875317-B21 Enterprise SATA HDD | Q6M13A High-Performance Enterprise HDD | K2P88A |
| Height | 1.03 inches | 1.03 inches | 1.63 inches | 1.03 inches | 1.03 inches |
| Width | 4.0 inches | 5.79 inches | 5.79 inches | 5.79 inches | 4.00 inches |
| Depth | 5.8 inches | 4.00 inches | 4.00 inches | 4.00 inches | 5.79 inches |
| Weight | 2.1 lbs | 2.5 lbs | 1.55 lbs | 2.0 lbs | 1.45 lbs |
Reliable SATA RI SSD for enterprise servers. Consistent read performance and smooth installation across our environment.
Used for reporting workloads. Stable firmware and predictable performance with no downtime so far.
Good value SSD for read-heavy applications. Works exactly as specified.
Easy deployment and steady speeds. Ideal for business systems needing reliability.
Meets expectations for SATA read-intensive storage. Quiet and efficient.
The HP P04474-B21 delivers 480 GB of usable storage capacity, ideal for OS boot volumes and data-intensive applications.
This drive uses a SATA 6 Gb/s interface, ensuring broad compatibility with modern servers and workstations.
The HP P04474-B21 is a 2.5 in (SFF) solid-state drive, compatible with standard 2.5-inch bays.
Typical maximum sequential reads reach up to 550 MB/s, and writes up to 500 MB/s, optimizing data throughput.