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Name:
816965-B21
- Description:
- HP 120GB 6G SATA MIXED USE-3 SFF 2.5-IN SC SOLID STATE DRIVE
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3 Year Extended Warranty
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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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.
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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.
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To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
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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.
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816965-B21 Overview
816965-B21 is a high-performance HDD engineered for demanding environments, featuring a 3.5-inch form factor, SATA III interface, and a robust 7200 RPM spindle speed. It delivers a capacity of 4 TB with 128 MB of buffer, ensuring reliable data storage with an annual workload rating of 300 TB/yr and designed for enterprise server and data center applications.
816965-B21 incorporates advanced features such as a helium-sealed design, built-in vibration protection, and dual actuator technology to maintain optimal performance under continuous operation. With efficient power consumption in both read/write (8 Watts) and idle modes (5 Watts), it is ideally suited for a range of use cases including data centers, desktops, NAS, and surveillance systems.
What is the price of 816965-B21?
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Explore more options from Hard Drives & Ssds or explore other Hpe products.
816965-B21 Specifications
| Product Type | Hard Drive |
| 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) | 128 MB |
| Average Latency | N/A |
| Data Transfer Rate | Up to 210 MB/s |
| Annual Workload Rating | 300 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 | 5–55°C |
| Product Name | Seagate Exos X816965-B21 |
| Height | 1.03 inches |
| Width | 4.0 inches |
| Depth | 5.78 inches |
| Weight | 1.2 lbs |
816965-B21 Use Case
Enterprise Server Boot & OS Acceleration
In high-density data centers running HP ProLiant servers, the HP 816965-B21 120GB 6G SATA Mixed Use-3 SSD is deployed as a dedicated boot and OS volume. With sub-millisecond access times and up to 500 MB/s sequential read performance, it cuts server startup times by up to 50% and delivers enterprise-grade endurance (3 DWPD). The outcome: faster provisioning, consistent reliability (99.99% uptime), and simplified maintenance for mission-critical workloads.
SQL Database & Application Caching Layer
For in-house SQL Server and web-application farms requiring predictable I/O under mixed read/write loads, the 816965-B21 SSD serves as a high-performance cache device on HP storage controllers. By offloading hot blocks to its low-latency flash tier, it accelerates query response by 2×, reduces I/O latency to sub-1 ms, and extends HDD lifespan. The result is faster transaction throughput, lower TCO, and scalable performance for peak business hours.
Virtual Desktop Infrastructure (VDI) Boot Volumes
In VMware Horizon and Citrix XenDesktop clusters, the HP 120GB Mixed Use-3 SSD is leveraged as the primary boot volume for virtual desktops. Its compact SFF form factor and 6 Gb/s SATA interface handle boot-storm events with minimal contention, reducing average login times by up to 40%. Customers achieve a smoother end-user experience, simplified image management, and robust wear-leveling for sustained VDI density.
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 | N/A | Dual Actuator |
| Annual Workload Rating | 300 TB/yr | 180 TB/yr | 550 TB/yr | 180 TB/yr | 300 TB/yr |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Cache (Buffer Size) | 128 MB | 256 MB | 256 MB | 128 MB | 128 MB |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 210 MB/s |
| Depth | 8.0 inches | 4.00 inches | 8.74 inches | 4.00 inches | 5.78 inches |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Encryption Support | No | AES 256-bit | AES 256-bit | No | AES 256-bit |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Height | 1.0 inches | 1.00 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | No | Helium-Sealed |
| Interface | SATA III | SATA III | SATA III | SATA III | SATA III |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–55°C |
| Power Consumption (Idle) | 5 Watts | 4 Watts | 5 Watts | 6 Watts | 5 Watts |
| Power Consumption (Read/Write) | 8.5 Watts | 8 Watts | 8 Watts | 8 Watts | 8 Watts |
| Product Name | 816919-B21 Enterprise 4TB HDD | Q8S87A High-Performance Helium-Sealed HDD | 846436-B21 High Performance Enterprise HDD | 877988-B21 4TB Enterprise SATA III HDD | Seagate Exos X816965-B21 |
| 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 | 4 TB | 4 TB | 4 TB |
| Use Case | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Weight | 2.0 lbs | 2.0 lbs | 1.6 lbs | 2.9 lbs | 1.2 lbs |
| Width | 5.8 inches | 5.80 inches | 5.79 inches | 5.79 inches | 4.0 inches |
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Questions & Answers
Q
What is the storage capacity of the HP 816965-B21 SSD?
A
The HP 816965-B21 provides 120 GB of usable flash storage for operating systems, applications, and data.
Q
Which interface does the HP 120GB Mixed Use-3 SSD support?
A
This drive uses a 6 Gb/s SATA interface for backward compatibility with SATA II and SATA I host controllers.
Q
What is the form factor of the HP 816965-B21 SSD?
A
The SSD is a Small Form Factor 2.5-inch drive with a 7 mm z-height, fitting standard 2.5″ server and storage bays.
Q
What does “Mixed Use-3” rating mean?
A
Mixed Use-3 indicates a balanced workload profile rated for up to 10 DWPD (drive writes per day) over a 3-year service life.
Q
What are the sequential performance specifications?
A
The drive delivers up to 520 MB/s sequential reads and 450 MB/s sequential writes under SATA III.
Q
What random I/O performance can I expect?
A
You can achieve up to 80,000 IOPS for 4 KB random reads and 25,000 IOPS for 4 KB random writes.
Q
Which HP servers and storage arrays is this SSD compatible with?
A
It is certified for HP ProLiant BL, DL and ML servers as well as MSA and P2000 storage systems.
Q
What is the warranty on the HP 816965-B21 SSD?
A
This SSD carries a 3-year limited warranty backed by HP support and replacement service.
Q
What operating temperature range does this SSD support?
A
Its operating range spans 0 °C to 60 °C (32 °F to 140 °F), suitable for standard data center environments.
Q
How is the HP 120GB SSD installed?
A
Slide it into a standard 2.5″ SATA drive bay with the SFF connector facing the backplane; the controller auto-negotiates drive settings.
Q
Does this SSD support hot-swap or hot-plug?
A
Yes, the drive supports SATA hot-plug for safe insertion and removal in compatible server backplanes.
Q
What is the typical power consumption of this SSD?
A
Idle power is around 1.5 W, and active power peaks at approximately 3.2 W during sustained I/O.
Q
How does Mixed Use-3 differ from read-intensive SSDs?
A
Mixed Use-3 drives balance read/write endurance, handling more write-heavy workloads than read-intensive models.
Q
Is hardware encryption supported on the HP 816965-B21?
A
This model does not include self-encrypting drive (SED) functionality; data security must be managed at the host level.
Q
What key benefits does the HP 120GB Mixed Use-3 SSD offer?
A
It delivers high I/O performance, low latency, and enterprise-grade endurance for mixed-workload applications.
