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804602-B21
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HP 800GB 6G SATA READ INTENSIVE-2 SFF 2.5-IN 804599-B21
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
804602-B21
- Description:
- HP 800GB 6G SATA READ INTENSIVE-2 SFF 2.5-IN 804599-B21
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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804602-B21 Overview
804602-B21 is a high-performance HDD designed for demanding enterprise storage environments. This drive features a 3.5-inch form factor, SATA III interface, and a constant 7200 RPM spindle speed, providing a robust 4 TB of storage capacity paired with a 256 MB buffer. With an annual workload rating of 550 TB/yr and an MTBF of 1,200,000 hours, 804602-B21 is engineered for reliability and continuous operation in data centers, enterprise servers, and high-end NAS applications.
804602-B21 also offers advanced features including helium-sealed construction and rotational vibration sensors for enhanced durability and performance in multi-bay installations. Optimized for power efficiency with a read/write consumption of 8.5 Watts and 5.5 Watts when idle, this HDD is well-suited for use in server, desktop, and surveillance environments that demand rigorous performance and consistent reliability.
804602-B21 price is is available on request. Get immediate quote.
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804602-B21 Specifications
- Product Type
- Hard Drive
- Brand
- Hpe
- Drive Type
- HDD
- Use Case
- Enterprise Storage
- Interface
- SATA III
- Form Factor
- 3.5-inch
- Storage Capacity
- 4 TB
- Spindle Speed (RPM)
- 7200 RPM
- Cache (Buffer Size)
- 256 MB
- Data Transfer Rate
- Up to 250 MB/s
- Annual Workload Rating
- 550 TB/yr
- Power Consumption (Read/Write)
- 8.5 Watts
- Power Consumption (Idle)
- 5.5 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Rotational Vibration Sensors
- Operating Temperature
- 0–60°C
- Product Name
- 804602-B21 Enterprise HDD
- Height
- 1 inches
- Width
- 5.8 inches
- Depth
- 4 inches
- Weight
- 1.8 lbs
804602-B21 Use Case
Real-Time Big Data Analytics Acceleration in Enterprise Data Warehouses
In a global retail chain’s data warehouse environment, the HP 804602-B21 800GB 6G SATA Read Intensive drive powers high-concurrency BI queries against terabytes of transactional data. By delivering sustained 150 MB/s read throughput and enterprise-grade reliability, it cuts query latency by 50%, enabling near real-time dashboards, faster decision making and measurable ROI.
VDI Boot Storm Optimization for Healthcare Telemedicine
A large healthcare provider deploys HP 804602-B21 800GB 6G SATA Read Intensive drives in its virtual desktop infrastructure to handle concurrent boot storms for over 2,000 telemedicine terminals. The drive’s sub-2 ms read latency accelerates desktop provisioning by 40%, ensuring physicians access critical applications instantly, improving patient care and maximizing system uptime.
High-Performance E-Commerce Content Delivery
An online retail platform integrates HP 804602-B21 800GB 6G SATA Read Intensive drives in its web server clusters to serve millions of product images and catalogs. With optimized 6 Gb/s SATA speed and 24×7 reliability, page load times drop by 30%, boosting SEO rankings, reducing cart abandonment and driving higher conversion rates.
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Product Comparison Table 
| 804602-B21 |  Q2P81A |  843268-B21 |  861756-B21 |  804674-B21 | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III / SAS 12Gb/s | SATA III | SATA III | SATA III |
| Form Factor | 3.5-inch | 2.5-inch / 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 10 TB | 4 TB | 4 TB | 8 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 128 MB | 128 MB | 256 MB |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 210 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 180 TB/yr | 300 TB/yr | 180 TB/yr |
| Encryption Support | AES 256-bit | AES 256-bit | No | No | No |
| 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 | Rotational Vibration Sensors | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 0–60°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 804602-B21 Enterprise HDD | Q2P81A Enterprise HDD | 843268-B21 High-Performance SATA III HDD | 861756-B21 | 804674-B21 |
| Height | 1 inches | 1.03 inches | 1.04 inches | 1.0 inches | 1.0 inches |
| Width | 5.8 inches | 4 inches | 5.79 inches | 5.8 inches | 5.8 inches |
| Depth | 4 inches | 5.787 inches | 4.00 inches | 6.9 inches | 8.3 inches |
| Weight | 1.8 lbs | 1.2 lbs | 2.2 lbs | 2.0 lbs | 2.2 lbs |
Compliance & Coverage
100% Genuine Product Guarantee
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.
Up to 3-Year Warranty Coverage
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.
Hassle-Free RMA & Returns
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.
Rigorously Tested & Quality Assured
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.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
D
Daniel Wright
4
Read intensive SSD noticeably improved application responsiveness.
B
Bilal Ahmed
5
Stable performance for database workloads.
Y
Yuki Tanaka
4
No compatibility issues during installation.
F
Fahad Iqbal
5
Consistent read speeds in production.
M
Mika Korhonen
4
Good SSD for read heavy tasks.
Questions & Answers
What is the storage capacity of the HP 804602-B21 SSD?
The HP 804602-B21 SSD provides 800 GB of usable storage in a standard 2.5-inch small form factor.
Which interface and data transfer rate does this drive support?
This SSD uses a SATA 6 Gb/s interface, fully compatible with SATA III host controllers.
What form factor does the HP 804602-B21 come in?
The drive is a 2.5-inch small form factor (SFF) SSD designed for half-height drive bays.
What are the sequential and random performance specifications?
It delivers up to 550 MB/s sequential read, 520 MB/s sequential write, and up to 90,000 random read IOPS.
Is this SSD optimized for specific workloads?
Yes, the HP 804602-B21 is designed for read-intensive workloads such as database queries, streaming, and content delivery.
What endurance rating does the drive have?
It is rated for 0.3 drive-writes per day (DWPD) over a five-year service life, suitable for read-centric applications.
How long is the warranty coverage?
This SSD includes a five-year limited warranty backed by HPE.
Which HPE servers support the 804602-B21 SSD?
It is compatible with ProLiant Gen8, Gen9, and Gen10 servers that feature 2.5-inch SATA drive bays.
Does the HP 804602-B21 support hot-swap or hot-plug?
Yes, it supports hot-plug installation and removal in compatible drive enclosures.
What is the power consumption of this SSD?
Typical active power is 4 W during read operations and idle power is approximately 2 W.
What are the operating and storage temperature ranges?
Operating temperature is 0 °C to 60 °C; storage temperature is −40 °C to 85 °C.
What is the drive’s mean time between failures (MTBF)?
The HP 804602-B21 SSD has an MTBF of 1.5 million hours.
How do I install the HP 804602-B21 in my server?
Slide the SSD into a compatible 2.5-inch bay or caddy, secure it, and ensure the SATA backplane is properly connected.
Does the package include a drive caddy or tray?
No; the SSD ships without a caddy—please use an existing HPE 2.5-inch drive tray for installation.
Is the SSD backwards compatible with SATA 3 Gb/s and 1.5 Gb/s?
Yes, it auto-negotiates down to SATA 3 Gb/s and 1.5 Gb/s transfer rates for legacy systems.
What monitoring and health-reporting features are supported?
It supports S.M.A.R.T. reporting and can be monitored via the HPE Smart Storage Administrator.