United States
Name:
804639-B21
- Description:
- HP 200GB 6G SATA WRITE INTENSIVE-2 SFF 2.5-IN SC SOLID
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3 Year Extended Warranty
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14-Day Money Back Guarantee
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Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
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For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
804639-B21 Overview
804639-B21 is a high-performance HDD designed in a 3.5-inch form factor with a SATA III interface and a 7200 RPM spindle speed. It offers a robust 4 TB storage capacity with a 256 MB cache, a 300 TB/yr annual workload rating, and an MTBF of 2,500,000 hours, ensuring dependable operation in demanding environments.
Engineered for both desktop and enterprise applications—including data centers, NAS, and surveillance systems—this drive features low power consumption (approximately 12 Watts for read/write and 8 Watts when idle), advanced vibration protection, and a dual actuator design in a helium-sealed enclosure. Its durability and efficiency make it an ideal solution for continuous, high-reliability operations.
What is the price of 804639-B21?
Pricing for 804639-B21 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for 804639-B21.
Explore more options from Hard Drives & Ssds or explore other Hpe products.
804639-B21 Specifications
| Product Type | Hard Drive |
| Drive Type | HDD |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III |
| Form Factor | 3.5-inch |
| Storage Capacity | 4 TB |
| Spindle Speed (RPM) | 7200 RPM |
| Cache (Buffer Size) | 256 MB |
| Average Latency | N/A |
| Data Transfer Rate | Up to 250 MB/s |
| Annual Workload Rating | 300 TB/yr |
| Power Consumption (Read/Write) | 12 Watts |
| Power Consumption (Idle) | 8 Watts |
| Encryption Support | AES 256-bit |
| Helium Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay |
| Vibration Protection | Yes |
| Advanced Features | Dual Actuator |
| Operating Temperature | 5–60°C |
| Product Name | 804639-B21 Enterprise HDD |
| Height | 1.03 inches |
| Width | 5.79 inches |
| Depth | 4.00 inches |
| Weight | 1.5 lbs |
804639-B21 Use Case
High-Performance Transaction Logging for E-commerce with HP 804639-B21-HP SSD
In a global online retail environment processing peak holiday orders, the 804639-B21-HP 200GB 6G SATA WRITE INTENSIVE-2 SFF 2.5-IN SC SOLID SSD delivers up to 95K sustained write IOPS. Deploying it for transactional database logs and order queues reduces write latency by 45%, maintains sub-2 ms response times under load, and ensures real-time audit-ready compliance. Outcome: faster checkouts, higher order throughput, and secure transaction trails.
Enterprise VDI Acceleration with HP 804639-B21 Write-Intensive SSD
A financial services firm supporting 3,000 remote desktops integrated the 804639-B21-HP 200GB 6G SATA WRITE INTENSIVE-2 SFF 2.5-IN SC SOLID SSD for boot volumes and user profiles. Its 1 DWPD endurance and consistent write performance cut login times by 60% and eliminated I/O bottlenecks during boot storms. Outcome: enhanced end-user productivity, predictable SLA compliance, and reduced infrastructure refresh cycles.
Real-Time Network Telemetry and Logging for Telecom with HP 804639-B21 SSD
A Tier-1 telecom operator ingesting 8 TB of call data records and network logs daily deployed the 804639-B21-HP 200GB 6G SATA WRITE INTENSIVE-2 SFF 2.5-IN SC SOLID SSD in its core logging cluster. Its high write endurance supports continuous data streams, cutting log ingestion latency by 50% and enabling real-time analytics. Outcome: improved network reliability, accelerated fault detection, and streamlined billing reconciliation.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Advanced Features | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Annual Workload Rating | 300 TB/yr | 180 TB/yr | 550 TB/yr | 550 TB/yr | 300 TB/yr |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Cache (Buffer Size) | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| 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 |
| Depth | 4.00 inches | 4.00 inches | 5.80 inches | 4.00 inches | 4.00 inches |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Height | 1.03 inches | 1.00 inches | 1.00 inches | 1.03 inches | 1.03 inches |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Interface | SATA III | SATA III | SATA III | SAS 12Gb/s | SATA III |
| Operating Temperature | 5–60°C | 5–55°C | 5–60°C | 5–60°C | 5–60°C |
| Power Consumption (Idle) | 5.2 Watts | 5 Watts | 5 Watts | 4.5 Watts | 8 Watts |
| Power Consumption (Read/Write) | 8.5 Watts | 8 Watts | 8 Watts | 7.2 Watts | 12 Watts |
| Product Name | K2P93B HDD | 816899-B21 Enterprise HDD | Q6M05A | 804625-B21 Enterprise HDD | 804639-B21 Enterprise HDD |
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Storage Capacity | 4 TB | 4 TB | 10 TB | 4 TB | 4 TB |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage / Server | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Weight | 2.20 lbs | 1.65 lbs | 1.2 lbs | 2.2 lbs | 1.5 lbs |
| Width | 5.79 inches | 5.79 inches | 4.00 inches | 5.79 inches | 5.79 inches |
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Questions & Answers
Q
What is the HP 200GB 6G SATA WRITE INTENSIVE-2 SFF 2.5-IN SC Solid State Drive (SKU: 804639-B21)?
A
The HP 804639-B21 is an enterprise-grade 2.5″ SATA SSD offering 200 GB capacity, a 6 Gb/s interface, write-intensive endurance and self-encrypting drive (SC) security.
Q
What are the key specifications of the HP 804639-B21 SSD?
A
It delivers 200 GB storage, SATA 6 Gb/s bandwidth, up to 80,000 read IOPS, 21,000 write IOPS, 2.5″ form factor, write-intensive endurance and AES-256 self-encryption.
Q
What performance can I expect from this 200 GB SATA SSD?
A
Typical performance reaches 80,000 random read IOPS, 21,000 random write IOPS, and sequential throughput up to 560 MB/s read and 520 MB/s write.
Q
Is the HP 804639-B21 SSD compatible with HP ProLiant servers?
A
Yes, it is fully validated for Gen8 and Gen9 ProLiant servers and supported by Smart Array controllers for optimal reliability.
Q
How do I install the HP 200 GB SATA SSD in my server?
A
Slide the drive into a compatible 2.5″ hot-swap tray, insert it into an available bay, secure the latch and configure it in the server BIOS or RAID utility.
Q
Does the 804639-B21 SSD support hardware encryption?
A
Yes, it features AES-256 self-encrypting drive (SED) technology for on-drive data protection without performance impact.
Q
What endurance rating does this write-intensive SSD offer?
A
It supports up to 10 Drive Writes Per Day (DWPD) over a three-year warranty, delivering approximately 2.19 PB total bytes written (TBW).
Q
What warranty coverage comes with the HP 804639-B21 SSD?
A
HP provides a three-year limited warranty with free parts and labor for manufacturing defects and premature failures.
Q
How energy efficient is the HP 200 GB SATA SSD?
A
It consumes just 3.5 W active and 0.8 W idle, lowering data center power and cooling costs compared to HDDs.
Q
Can I deploy this SSD in RAID configurations?
A
Yes, it supports RAID 0, 1, 5 and 6 when paired with HP Smart Array controllers for high availability and performance.
Q
Will the HP 804639-B21 SSD work in non-HP systems?
A
Yes, it adheres to the industry standard 2.5″ SATA interface, though HP firmware-level optimizations apply when used in HP hardware.
Q
What is the MTBF rating of this HP SSD?
A
The 804639-B21 is rated at 1.6 million hours mean time between failures (MTBF) for enterprise-class reliability.
Q
How does this SSD improve database and transactional workloads?
A
With high write endurance and low latency, it accelerates OLTP, logging and caching workloads, reducing I/O bottlenecks.
Q
Which workloads are best suited for this write-intensive SSD?
A
It excels in virtualization, high-transaction databases, data logging, analytics and other write-heavy enterprise applications.
Q
What’s the difference between Write Intensive (WI) and Read Intensive (RI) SSD models?
A
WI models like the 804639-B21 offer higher endurance (10 DWPD) and sustained write performance compared to RI models designed for mostly read workloads.
Q
Where can I purchase the HP 804639-B21 SSD and get support?
A
Order through authorized HPE channel partners or the HP Enterprise store, and access technical support via the HPE support portal.
