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804642-B21
- Description:
- HP 200GB 6G SATA WRITE INTENSIVE-2 LFF 3.5-IN 804642-B21
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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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.
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Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
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In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
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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.
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804642-B21 Overview
804642-B21 is a high-performance HDD designed for diverse environments including data centers, desktops, NAS, and surveillance applications. This drive features a 3.5-inch form factor with a SATA III interface, spinning at 7200 RPM to deliver robust performance; it offers a 4 TB storage capacity with a 64 MB cache, supports heavy workload operations rated at 550 TB/yr, and is engineered with exceptional reliability and an industry-leading MTBF, making it ideal for continuous 24/7 operation.
804642-B21 is optimized for efficiency with measured power consumption of 8.7 Watts during read/write and 6.1 Watts in idle mode. Advanced features such as a helium-sealed design, integrated vibration protection, and dual actuator technology further enhance its durability and performance, ensuring that this HDD meets the demanding needs of both enterprise and mixed-use deployments.
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804642-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) | 64 MB |
| Average Latency | N/A |
| Data Transfer Rate | Up to 210 MB/s |
| Annual Workload Rating | 550 TB/yr |
| Power Consumption (Read/Write) | 8.7 Watts |
| Power Consumption (Idle) | 6.1 Watts |
| Encryption Support | No |
| Helium Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay |
| Vibration Protection | Yes |
| Advanced Features | Dual Actuator |
| Operating Temperature | 5–55°C |
| Product Name | 804642-B21 Enterprise SATA HDD |
| Height | 1.0 inches |
| Width | 5.8 inches |
| Depth | 4.0 inches |
| Weight | 2.0 lbs |
804642-B21 Use Case
Write-Intensive Transaction Logging for Financial Trading Platforms
In a high-frequency trading environment generating thousands of transactions per second, the 804642-B21 HP 200 GB 6G SATA Write Intensive-2 LFF 3.5-inch drive delivers sustained 200 MB/s sequential write performance and 2.4 Drive Writes Per Day (DWPD) endurance, ensuring zero data loss and 99.999% uptime for critical trade logs.
Optimized Virtual Desktop Infrastructure for Remote Workforce
In a global enterprise deploying hundreds of virtual desktops for remote employees, the 804642-B21 HP 200 GB 6G SATA Write Intensive-2 LFF 3.5-inch drive accelerates boot storms with up to 40% faster login times and supports consistent write workloads, reducing end-user latency and lowering helpdesk support calls by 30%.
Rapid Backup and Recovery for SMB Data Centers
In a small-to-mid-sized business consolidating nightly backups on HPE ProLiant servers, the 804642-B21 HP 200 GB 6G SATA Write Intensive-2 LFF 3.5-inch drive achieves sustained 150 MB/s write throughput, shrinking backup windows by 60% and enabling full system restores within the target RTO to maintain business continuity.
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 | 300 TB/yr | 300 TB/yr | 550 TB/yr | 550 TB/yr |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Cache (Buffer Size) | 256 MB | 128 MB | 256 MB | 256 MB | 64 MB |
| Data Transfer Rate | Up to 210 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 210 MB/s |
| Depth | 4.00 inches | 4 inches | 5.79 inches | 7.78 inches | 4.0 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 | No | No |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches | 1.0 inches |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Interface | SATA III | SATA III | SATA III | SATA III | SATA III |
| Operating Temperature | 5–60°C | 5–60°C | 5–55°C | 5–60°C | 5–55°C |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 5.0 Watts | 6 Watts | 6.1 Watts |
| Power Consumption (Read/Write) | 10 Watts | 8 Watts | 8.5 Watts | 8 Watts | 8.7 Watts |
| Product Name | P07924-B21 Enterprise He-Sealed HDD | Enterprise Capacity HDD 4TB 7200RPM 881781-B21 | H6G52A Enterprise HDD | 801884-B21 Enterprise HDD | 804642-B21 Enterprise SATA 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 | 8 TB | 4 TB | 10 TB | 8 TB | 4 TB |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Weight | 2.2 lbs | 2.1 lbs | 2.20 lbs | 2.2 lbs | 2.0 lbs |
| Width | 5.79 inches | 5.8 inches | 4.00 inches | 5.79 inches | 5.8 inches |
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Questions & Answers
Q
What is the storage capacity of the HP 804642-B21 drive?
A
The HP 804642-B21 drive offers 200 GB of usable storage capacity, optimized for high-write workloads.
Q
Which interface does the HP 804642-B21 use?
A
This drive uses a 6 Gb/s SATA interface for fast data transfers and broad server compatibility.
Q
What is the physical form factor of the HP 804642-B21 drive?
A
The HP 804642-B21 is a 3.5-inch (LFF) drive designed for HP ProLiant and Apollo server bays.
Q
What does “write-intensive” classification mean?
A
Write-intensive classification indicates the drive is rated for heavy write workloads up to 10 drive writes per day (DWPD).
Q
Which workloads are best suited for this write-intensive drive?
A
This drive excels in database logging, high-transaction applications, virtual desktop infrastructures, and caching layers.
Q
Is the HP 804642-B21 compatible with ProLiant and Apollo servers?
A
Yes, it is fully compatible with HP ProLiant Gen8/9/10, Apollo 2000/4000, and select Synergy storage enclosures.
Q
How do I install the HP 804642-B21 drive?
A
Simply insert the drive into an available 3.5″ hot-swap bay, secure the sled, and HP Smart Array controllers will auto-detect it.
Q
What are the key performance specifications?
A
It delivers up to 205 MB/s sustained sequential throughput and 88,000 random 4 K IOPS under typical workloads.
Q
What is the drive’s endurance rating and MTBF?
A
The drive is rated for 10 DWPD and has an MTBF of 2 million hours for reliable continuous operation.
Q
Does the HP 804642-B21 support S.M.A.R.T. monitoring?
A
Yes, it supports industry-standard S.M.A.R.T. attributes for proactive health monitoring and reporting.
Q
Can I use this drive in hardware RAID configurations?
A
Yes, the drive is certified for use in HP Smart Array and third-party RAID controllers for data protection.
Q
What warranty does HP provide for this drive?
A
HP offers a standard three-year limited warranty, including parts, labor, and on-site support.
Q
Does the drive require special firmware or updates?
A
No special firmware is required; it is factory-tested with HP Gen8/9/10 firmware profiles for out-of-the-box compatibility.
Q
What is the typical power consumption?
A
The drive consumes approximately 7.5 W active and 5.5 W idle, optimizing energy use in dense server configurations.
Q
Is the HP 804642-B21 hot-swappable?
A
Yes, the drive supports hot-swap functionality, enabling drive replacement without shutting down the server.
Q
How can I purchase the HP 804642-B21 and what is the price range?
A
You can purchase through authorized HP resellers or the HP Store; pricing varies by region and volume but typically starts around $200–$250 USD.
