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846436-B21
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HP 1.6TB 12G SAS MU-1 SFF
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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:
846436-B21
- Description:
- HP 1.6TB 12G SAS MU-1 SFF
- 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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846436-B21 Overview
846436-B21 is a high-performance HDD crafted with a 3.5-inch form factor and equipped with a SATA III interface, delivering reliable 7200 RPM spindle speed and a capacity of 4 TB. Designed with a 256 MB cache, this drive features an impressive annual workload rating of 550 TB/yr and an MTBF of 2,000,000 hours, ensuring dependable operation under rigorous enterprise conditions.
Engineered for server and enterprise storage applications, 846436-B21 offers robust reliability rated for continuous operation with power consumption of 8 Watts during read/write operations and 5 Watts in idle mode. Advanced features include a helium-sealed design along with built-in vibration protection and dual actuator technology, making it an ideal choice for data centers, desktops, NAS deployments, and surveillance systems.
846436-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 846436-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
846436-B21 Specifications
- Product Type
- Hard Drive
- Brand
- Hpe
- 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
- 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
- 846436-B21 High Performance Enterprise HDD
- Height
- 1.03 inches
- Width
- 5.79 inches
- Depth
- 8.74 inches
- Weight
- 1.6 lbs
846436-B21 Use Case
Accelerating Mission-Critical OLTP Databases with HP 846436-B21 1.6TB 12G SAS MU-1 SFF
In a global e-commerce environment, deploying the 846436-B21 HP 1.6TB 12G SAS MU-1 SFF SSD in high-transaction SQL and Oracle database servers delivers sub-millisecond latency and over 250K read/write IOPS. This enables consistent peak-load performance, faster order processing, and superior customer experience.
Optimizing Virtual Desktop Infrastructure Using HP 846436-B21 1.6TB 12G SAS MU-1 SFF
A multinational enterprise implements the 846436-B21 SSD across VMware ESXi hosts to support 1,000+ concurrent VDI sessions. The 12G SAS interface and MU-1 endurance class ensure rapid VM boot-up and consistent I/O throughput, reducing login times by 60% and cutting help-desk support incidents.
Real-Time Data Analytics and Risk Processing with HP 846436-B21 1.6TB 12G SAS MU-1 SFF
In a financial trading firm, integrating the 846436-B21 1.6TB 12G SAS MU-1 SFF drives into in-memory analytics clusters accelerates real-time risk calculations and large-scale data queries. The result is 3× faster decision-making, improved SLA compliance, and lower data center footprint.
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Product Comparison Table 
| 846436-B21 |  P04570-B21 |  P04547-B21 |  P04533-B21 |  K2P93B | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III | SATA III | SATA III | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 4 TB | 4 TB | 10 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 64 MB | 256 MB | 256 MB |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 180 TB/yr | 550 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 6.7 Watts | 9.5 Watts | 8.5 Watts |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 4.5 Watts | 5.0 Watts | 5.2 Watts |
| Encryption Support | AES 256-bit | No | No | AES 256-bit | AES 256-bit |
| Helium Sealed | Helium-Sealed | Helium-Sealed | No | Helium-Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay | Multi-bay | Single | Multi-bay | Multi-bay |
| Vibration Protection | Yes | Yes | No | Yes | Yes |
| Operating Temperature | 5–60°C | 5–60°C | 5–55°C | 5–60°C | 5–60°C |
| Product Name | 846436-B21 High Performance Enterprise HDD | P04570-B21 Hard Drive | P04547-B21 | P04533-B21 Enterprise HDD | K2P93B HDD |
| Height | 1.03 inches | 1.03 inches | 1.0 inches | 1.03 inches | 1.03 inches |
| Width | 5.79 inches | 5.79 inches | 5.8 inches | 4.00 inches | 5.79 inches |
| Depth | 8.74 inches | 4.01 inches | 4.0 inches | 5.79 inches | 4.00 inches |
| Weight | 1.6 lbs | 1.6 lbs | 4.5 lbs | 1.5 lbs | 2.20 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
E
Ethan Morales
5
Balanced mixed-use SAS SSD with consistent performance.
N
Naila Hussain
4
Handles mixed workloads reliably without throttling.
R
Rikard Svensson
5
Stable operation and good endurance profile.
F
Furqan Aziz
4
Smooth deployment and predictable speeds.
T
Trevor Collins
4
Solid enterprise SSD for daily operations.
Questions & Answers
What is the capacity of the HP 1.6TB 12G SAS MU-1 SFF (SKU 846436-B21)?
The HP 1.6TB 12G SAS MU-1 SFF delivers 1.6 terabytes of raw storage capacity in a small form factor drive, ideal for high-density server applications.
What does 12G SAS mean for this HP drive?
12G SAS refers to a 12 gigabits per second Serial Attached SCSI interface that ensures high throughput, low latency and robust data integrity for enterprise workloads.
Which HP server models are compatible with SKU 846436-B21?
This 1.6TB 12G SAS MU-1 SFF drive is compatible with ProLiant Gen8, Gen9 and Gen10 servers equipped with supported 2.5-inch SAS backplanes.
What is the physical form factor of this drive?
The HP 1.6TB 12G SAS MU-1 SFF uses a 2.5-inch small form factor (SFF) chassis for high-density storage in rack and tower servers.
Is the HP 1.6TB 12G SAS MU-1 SFF hot-swappable?
Yes, the drive supports hot-swapping, allowing you to add or replace disks without shutting down the server.
What sustained data transfer rates can I expect?
The drive delivers up to 1,200 MB/s sustained sequential read and write speeds when used in optimal SAS configurations.
What workloads is this 1.6TB SAS drive best suited for?
It is optimized for mixed and multi-user workloads, including database transaction processing, virtualization and high-performance computing.
What does MU-1 indicate in the drive’s name?
MU-1 denotes multi-user rotational load tolerance, designed for environments with high concurrent access demands.
What is the Mean Time Between Failures (MTBF) for this drive?
The HP 1.6TB 12G SAS MU-1 SFF has an MTBF of 2 million hours, ensuring high reliability in enterprise deployments.
What warranty coverage is included with SKU 846436-B21?
This drive comes with a standard three-year HP limited warranty, covering defects in materials and workmanship.
How do I install the HP 1.6TB 12G SAS MU-1 SFF in my server?
Slide the drive into an available 2.5-inch SAS bay, secure the latch, and connect to a 12G SAS backplane—no additional tools required.
Can I use this drive in RAID configurations?
Yes, the drive is fully supported in hardware RAID arrays, including RAID 0, 1, 5, 6 and 10 for data protection and performance.
Which operating systems support this HP SAS drive?
The drive is supported on major enterprise operating systems, including Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server and VMware ESXi.
How energy efficient is the HP 1.6TB 12G SAS MU-1 SFF?
It uses advanced power management features to maintain a typical active power draw under 7 watts, minimizing data center energy costs.
What are the dimensions and weight of the drive?
The drive measures 100 mm × 70 mm × 15 mm (L×W×H) and weighs approximately 100 grams, fitting standard 2.5-inch drive bays.
How does this SAS drive compare to SATA drives?
Compared to SATA, 12G SAS offers higher throughput, lower latency, dual-port redundancy and enterprise-grade reliability for mission-critical systems.
Where can I purchase the HP 1.6TB 12G SAS MU-1 SFF (SKU 846436-B21)?
You can buy this drive directly from HP’s official store, authorized resellers or certified channel partners for genuine products and support.