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High-capacity 3PAR SSD with consistent performance.
K2P91A
HPE 3PAR Storeserv 8000 3.84TB SAS SFF (2.5in) Solid State D...
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K2P91A
- Description:
- HPE 3PAR Storeserv 8000 3.84TB SAS SFF (2.5in) Solid State Drive
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K2P91A Overview
K2P91A is a high-performance HDD engineered for demanding environments, featuring support for both 3.5-inch and 2.5-inch form factors. It offers a SATA III interface paired with a 7200 RPM spindle speed and a robust 10 TB storage capacity, complemented by a 256 MB buffer that enhances data retrieval efficiency.
Designed for 24/7 operation in data centers, desktops, NAS arrays, and surveillance systems, K2P91A provides industry-leading reliability with a high annual workload rating of 550 TB/yr. Its advanced features include helium-sealed enclosure, vibration protection, and dual actuator technology, while maintaining efficient power consumption levels during read/write and idle modes.
K2P91A price is is available on request. Get immediate quote.
Request bulk order quote for K2P91A for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
K2P91A Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Desktop / Server / NAS / Surveillance / Enterprise Storage
- Interface
- SATA III
- Form Factor
- 2.5-inch / 3.5-inch
- Storage Capacity
- 10 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
- K2P91A Enterprise HDD
- Height
- 1 in
- Width
- 5.8 in
- Depth
- 4 in
- Weight
- 1.5 lbs
K2P91A Use Case
Low-Latency Financial Trading Acceleration
In a high-frequency trading firm, the K2P91A-HPE 3PAR StoreServ 8000 3.84TB SAS SFF SSD delivers microsecond-class I/O latency to power order-matching engines at scale. Benefit: boosts trade throughput by up to 50%, slashes execution delays, and secures a competitive edge in volatile markets.
Enterprise Virtual Server Consolidation
In an HPE ProLiant-based data center, deploying the K2P91A-HPE 3PAR StoreServ 8000 3.84TB SAS SFF SSD consolidates 200+ virtual machines on a single array with sustained 600K+ IOPS. Benefit: reduces rack space and power by 40%, lowers TCO, and simplifies capacity planning.
High-Availability ERP/OLTP Workloads
For a global retail chain running SAP S/4HANA and Oracle OLTP, the K2P91A-HPE 3PAR StoreServ 8000 SSD ensures 99.999% uptime and sub-1ms transaction response under peak loads. Benefit: accelerates order processing by 30%, enhances customer satisfaction, and guarantees business continuity.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 K2P91A |  P07930-B21 |  P06586-B21 |  P04474-B21 |  779172-B21 | |
|---|---|---|---|---|---|
| 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 / Enterprise Storage | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III | SAS 12Gb/s | SATA III | SATA III |
| Form Factor | 2.5-inch / 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 10 TB | 10 TB | 2 TB | 4 TB | 10 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 128 MB | 256 MB | 256 MB |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 210 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 300 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 6.1 Watts | 7 Watts | 7 Watts | 10 Watts |
| Power Consumption (Idle) | 5 Watts | 4.2 Watts | 5 Watts | 5 Watts | 6 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | 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 | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–60°C | 5–60°C | 5–55°C | 5–60°C | 5–60°C |
| Product Name | K2P91A Enterprise HDD | P07930-B21 Enterprise HDD | P06586-B21 2TB Enterprise HDD | P04474-B21 Enterprise HDD | 779172-B21 |
| Height | 1 in | 1.03 inches | 1.0 inches | 1.03 inches | 1.03 inches |
| Width | 5.8 in | 4.00 inches | 5.8 inches | 4.0 inches | 5.8 inches |
| Depth | 4 in | 5.78 inches | 7.8 inches | 5.8 inches | 4.0 inches |
| Weight | 1.5 lbs | 2.2 lbs | 2.2 lbs | 2.1 lbs | 2.2 lbs |
Reviews & Ratings
S
Shahroz Malik
4
Reliable under heavy workloads.
M
Magda Nowak
4
Smooth integration and stable speeds.
Z
Zain Ashraf
5
Good option for 3PAR expansion.
H
Harold Finch
5
Enterprise SSD with predictable results.
Questions & Answers
What is the HPE 3PAR StoreServ 8000 3.84TB SAS SFF (2.5in) SSD (SKU: K2P91A)?
The HPE 3PAR StoreServ 8000 3.84TB SAS SFF SSD (SKU: K2P91A) is an enterprise-grade, high-density solid state drive engineered for latency-sensitive workloads in HPE 3PAR StoreServ 8000 storage arrays.
What are the key specifications of SKU K2P91A?
The drive offers 3.84 TB capacity, 12 Gb/s SAS interface, 2.5″ SFF form factor, up to 250,000 sustained IOPS, and enterprise endurance ratings.
What performance metrics does this SSD deliver?
It delivers up to 250,000 random read IOPS, 100,000 random write IOPS, and sustained sequential throughput of up to 2.0 GB/s for high-performance applications.
What interface and form factor does the HPE 3PAR 3.84TB SSD use?
This SSD uses a 12 Gb/s SAS interface in a 2.5-inch small form factor (SFF) optimized for dense enterprise storage racks.
Is the K2P91A SSD compatible with HPE 3PAR StoreServ 8000 arrays?
Yes, SKU K2P91A is fully qualified and certified for HPE 3PAR StoreServ 8000 controllers and seamlessly integrates into HPE Smart Array management.
Can I deploy this SSD in other HPE servers or storage enclosures?
While optimized for 3PAR StoreServ 8000, the drive is also compatible with HPE ProLiant servers and select MSA storage systems that support 12 Gb/s SAS SFF drives.
What workloads are ideal for the HPE 3PAR 3.84TB SAS SSD?
It is ideal for virtualization, database transaction processing, analytics, VDI, and any latency-sensitive mission-critical applications.
Does the drive support hot-swapping for maintenance?
Yes, the SSD is fully hot-pluggable, allowing for non-disruptive replacement or upgrades in HPE 3PAR StoreServ 8000 systems.
What warranty and support options are available for SKU K2P91A?
HPE provides a standard 3-year limited warranty with optional HPE Pointnext support services for rapid replacement and 24x7 technical assistance.
What endurance rating does the SSD offer?
The drive is rated for up to 10 DWPD (Drive-Writes-Per-Day) over a 5-year period, ensuring high endurance for write-intensive workloads.
How do I install the HPE 3PAR StoreServ 8000 SSD?
Insert the drive into any available 2.5″ SAS bay in your 3PAR StoreServ 8000 chassis and follow the HPE 3PAR provisioning guide in the management console.
What security features are built into this SSD?
It includes hardware-based AES-256 encryption with self-encrypting drive (SED) support and secure erase capabilities to protect sensitive data.
What is the power consumption of the 3.84TB SAS SSD?
Typical active power consumption is 8 W, with idle power of 3 W, optimizing energy efficiency in dense storage environments.
What is the MTBF rating of the HPE 3PAR SSD?
The drive offers a mean time between failures (MTBF) of 2.5 million hours, ensuring high reliability for enterprise deployments.
How does this SSD improve overall system performance?
By reducing latency, increasing IOPS density, and delivering consistent throughput, it accelerates application response times and enhances workload consolidation.