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Julian Marks
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NVMe RI SSD delivered excellent read speeds.
764908-B21
HPE 2TB NVMe x4 Lanes Read Intensive SFF (2.5in) SCN 3yr War...
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764908-B21
- Description:
- HPE 2TB NVMe x4 Lanes Read Intensive SFF (2.5in) SCN 3yr Warranty SSD
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764908-B21 Overview
764908-B21 is an enterprise-grade HDD engineered for high-demand environments. This drive features a 3.5-inch form factor with a SAS 12Gb/s interface and operates at 7200 RPM. It offers a storage capacity of 4 TB paired with a robust 256 MB cache, a 550 TB/yr annual workload rating, and an MTBF of 2,500,000 hours ensuring reliable, 8,760 hours/year operation.
764908-B21 is optimized for critical applications such as data centers, desktops, NAS, and surveillance systems. It is designed for efficient performance with low power consumption (8 Watts read/write and 5 Watts idle) and includes advanced features like a helium-sealed design, built-in vibration protection, and dual actuator support for enhanced stability.
764908-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 764908-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
764908-B21 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Enterprise Storage
- Interface
- SAS 12Gb/s
- 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
- 550 TB/yr
- Power Consumption (Read/Write)
- 8 Watts
- Power Consumption (Idle)
- 5 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
- 764908-B21 Enterprise HDD
- Height
- 1.03 inches
- Width
- 5.79 inches
- Depth
- 4.00 inches
- Weight
- 3.2 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 764908-B21 |  762261-B21 |  K2P89B |  Q6M00A |  832514-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 | SAS 12Gb/s | 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 | 3.5-inch |
| Storage Capacity | 4 TB | 10 TB | 8 TB | 4 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 | 128 MB |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Data Transfer Rate | Up to 250 MB/s | Up to 300 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 | 180 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8.5 Watts | 8 Watts | 8 Watts | 8 Watts |
| Power Consumption (Idle) | 5 Watts | 5.3 Watts | 5 Watts | 5 Watts | 3.5 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | 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 | Rotational Vibration Sensors | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–60°C | 5–55°C | 5–60°C | 5–55°C | 5–55°C |
| Product Name | 764908-B21 Enterprise HDD | 762261-B21 Enterprise 10TB SATA III 7200 RPM HDD | K2P89B Enterprise HDD | Q6M00A Enterprise HDD | 832514-B21 Official HDD |
| Height | 1.03 inches | 1 inch | 1.03 inches | 1.03 inches | 1.04 inches |
| Width | 5.79 inches | 5.8 inches | 5.79 inches | 5.79 inches | 5.79 inches |
| Depth | 4.00 inches | 4 inches | 4.00 inches | 8.26 inches | 4.00 inches |
| Weight | 3.2 lbs | 1.5 lbs | 1.65 lbs | 1.76 lbs | 1.65 lbs |
Reviews & Ratings
B
Bushra Ahmed
4
Ideal for analytics-heavy environments.
A
Anders Nyholm
5
Stable firmware and low latency.
Z
Zeeshan Tariq
5
Immediate performance gains after install.
G
Glen Porter
5
High-performing RI NVMe SSD.
Questions & Answers
What are the key specifications of the HPE 764908-B21 2TB NVMe SSD?
The HPE 764908-B21 is a read-intensive 2TB NVMe SSD in a 2.5″ SFF form factor, supporting PCIe Gen3 x4 lanes, up to 3,200 MB/s sequential read, 800 MB/s sequential write, ~350K random read IOPS, ~40K random write IOPS, with enterprise-grade endurance and 3-year warranty.
Which servers and environments is this SSD compatible with?
This SSD is validated for HPE ProLiant Gen9/Gen10 servers and HPE Synergy systems. It also works in any x4-capable NVMe slot that supports 2.5″ SFF drives.
What workload types is this SSD optimized for?
It’s designed for read-intensive workloads such as virtual desktop infrastructure (VDI), content delivery, web caching, big data analytics, and OLAP databases that demand high read throughput.
What endurance rating does the 2TB HPE NVMe SCN SSD offer?
The drive is rated for approximately 1 drive-write per day (DWPD) over 3 years, equivalent to about 1,095 TB total bytes written (TBW), meeting enterprise read-intensive endurance requirements.
Does this SSD support hot-swap and field serviceability?
Yes, the 2.5″ SFF NVMe form factor supports hot-swap insertion and removal. Field-replaceable units (FRUs) can be installed without server downtime in compatible HPE systems.
How do I monitor health and performance of the HPE SSD?
Use HPE Smart Storage Administrator or HPE Integrated Lights-Out (iLO) to monitor SMART attributes, endurance usage, temperature, and firmware status in real time.
What power protection features are included?
The drive incorporates power-loss protection capacitors that safely flush data in flight to NAND during sudden power failures, safeguarding data integrity.
What is the mean time between failures (MTBF) for this SSD?
The HPE 764908-B21 is rated for a 2 million-hour MTBF under typical operating conditions, ensuring high reliability in enterprise deployments.
How long is the warranty and what does it cover?
A standard 3-year HPE warranty covers defects in materials and workmanship. It includes next-business-day replacement for qualifying HPE support contracts.
How do I install the HPE 2TB NVMe SSD in my server?
Power down the server, insert the SSD into an available 2.5″ NVMe bay or adapter, secure the drive, power on, then use HPE SSA or OS utilities to verify detection.
Can I update the firmware on this NVMe SSD?
Yes. Use HPE Service Pack for ProLiant (SPP) or HPE Smart Update Manager (SUM) to apply validated firmware updates that enhance performance and stability.
What cooling requirements does this NVMe SSD have?
Ensure at least 5 CFM airflow across the drive in its 2.5″ bay. HPE system fans are pre-configured to meet this requirement in supported enclosures.
Is this SSD backward compatible with PCIe Gen2 slots?
Yes. It will operate at reduced performance in a PCIe Gen2 x4 slot, but full bandwidth and low latency require a PCIe Gen3 x4 or higher interface.
How does this read-intensive SSD differ from write-intensive models?
Read-intensive SSDs like the 764908-B21 allocate more NAND for read caching and less for write endurance, optimizing cost-per-GB for heavy-read applications.
What are the typical operating temperature and humidity ranges?
Operating temperature is 0 °C to 70 °C (32 °F to 158 °F) with non-condensing humidity from 5% to 95%, suitable for standard datacenter conditions.
How do I purchase or quote the HPE 764908-B21 SSD?
Contact an authorized HPE reseller or visit the HPE Parts Store online. Provide SKU 764908-B21 to receive pricing, lead times, and bulk-order discounts.