United States
Name:
866842-B21
- Description:
- HPE 120GB SATA 6G M2 2242 SSD
- Rating:
-
(0)
Added to cart 23 times recently
- Availability:
-
In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
- Warranty:
-
3 - List Price:
-
- Price:
-
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Exclusive Bulk Discounts tailored to your order size
Priority Processing with a dedicated account manager
Fast Response: Get your custom quote within 5-10 minutes during business hours (Mon-Fri, 6:00 AM – 6:00 PM PST)
Holiday Bonus: Submissions on holidays receive priority handling the next business day
Shipping:
Payment:
Shipping as per your need
Same-day Shipping
Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.
Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
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.
Service Boundaries & Exclusions
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.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
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.
TRUSTED, TRIED, PROVEN
866842-B21 Overview
866842-B21 is a high-performance HDD engineered in a 3.5-inch form factor with a SATA III interface. It spins at 7200 RPM, delivers a storage capacity of 4 TB, and features a robust 128 MB buffer, ensuring efficient performance even under demanding workloads. With an MTBF of 1,000,000 hours and reliability rated for 20,000 operating hours per year, this drive is designed to meet high endurance requirements.
Optimized for critical environments, the 866842-B21 incorporates advanced features including a helium-sealed design, vibration protection, and dual actuator technology. Ideal for data centers, desktop systems, NAS setups, and surveillance applications, it also offers efficient power consumption with 9.0 Watts during read/write operations and 5.0 Watts in idle mode, making it a dependable choice for both enterprise and high-performance use cases.
What is the price of 866842-B21?
Pricing for 866842-B21 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for 866842-B21.
Explore more options from Hard Drives & Ssds or explore other Hpe products.
866842-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) | 128 MB |
| Average Latency | N/A |
| Data Transfer Rate | Up to 210 MB/s |
| Annual Workload Rating | 550 TB/yr |
| Power Consumption (Read/Write) | 9.0 Watts |
| Power Consumption (Idle) | 5.0 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 | 866842-B21 High Performance HDD |
| Height | 1.03 inches |
| Width | 5.79 inches |
| Depth | 4.00 inches |
| Weight | 2.20 lbs |
866842-B21 Use Case
Enterprise Boot Acceleration in HPE ProLiant MicroServers
Deploy the 866842-B21 HPE 120GB SATA 6G M.2 2242 SSD as a dedicated boot drive in HPE ProLiant MicroServers to achieve sub-10-second OS initialization and BIOS update cycles. This configuration delivers consistent high IOPS, reduces server downtime, and improves overall data-center operational efficiency.
High-Density Virtualization Storage Tier for SMBs
Integrate the 866842-B21 HPE 120GB SATA 6G M.2 2242 SSD as a tier-1 scratch and hypervisor cache device in small-business virtualization hosts. The result is accelerated VM provisioning, lowered latency under heavy I/O workloads, and optimized resource utilization for up to 30% higher VM density per chassis.
Embedded Edge and IoT Control-Plane Reliability
Embed the 866842-B21 HPE 120GB SATA 6G M.2 2242 SSD in industrial gateways and remote IoT controllers for firmware storage and logging. This rugged, low-power solution ensures data integrity in harsh environments, reduces field-service visits by 40%, and guarantees uninterrupted control-plane performance.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
|
|
|
|
|
|
|---|---|---|---|---|---|
| Advanced Features | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 550 TB/yr | 300 TB/yr | 550 TB/yr |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Cache (Buffer Size) | 256 MB | 256 MB | 256 MB | 256 MB | 128 MB |
| Data Transfer Rate | Up to 250 MB/s | Up to 210 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 210 MB/s |
| Depth | 5.79 inches | 8.3 inches | 7.1 inches | 4.0 | 4.00 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 | AES 256-bit |
| 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 | 1.0 | 1.03 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 | 5–55°C | 5–60°C | 5–60°C | 5–60°C |
| Power Consumption (Idle) | 5 Watts | 7 Watts | 5 Watts | 5.0 Watts | 5.0 Watts |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 8.5 Watts | 8.5 Watts | 9.0 Watts |
| Product Name | P06194-B21 Enterprise HDD Series | K2R24A Enterprise HDD 4TB | 802586-B21 Enterprise HDD | H6G43A High-Performance Enterprise HDD | 866842-B21 High Performance 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 | 10 TB | 4 TB | 4 TB | 10 TB | 4 TB |
| Use Case | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Weight | 2.50 lbs | 1.5 lbs | 3.3 lbs | 1.5 lbs | 2.20 lbs |
| Width | 4.00 inches | 5.8 inches | 5.79 inches | 5.8 | 5.79 inches |
Showing - of 0 Results
Questions & Answers
Q
What is the HPE 866842-B21 SSD?
A
The HPE 866842-B21 is a 120 GB SATA 6 Gb/s M.2 2242 solid-state drive designed for high-performance server and storage applications.
Q
What is the storage capacity of the HPE 866842-B21?
A
It provides 120 GB of usable flash storage, ideal for boot volumes, caching, and read-intensive workloads.
Q
Which interface does the HPE 866842-B21 use?
A
This SSD uses a SATA 3.0 interface at 6 Gb/s, ensuring broad compatibility with standard server and desktop M.2 slots.
Q
What form factor is the HPE 866842-B21 SSD?
A
It conforms to the M.2 2242 form factor (22 × 42 mm), fitting compact server and embedded system slots.
Q
What are the sequential read and write speeds?
A
The drive delivers up to 550 MB/s sequential read and 500 MB/s sequential write performance for fast data access.
Q
What is the endurance rating of this SSD?
A
The HPE 866842-B21 is rated for 70 TBW (terabytes written), supporting sustained write-intensive operations.
Q
What is the mean time between failures (MTBF)?
A
It offers an MTBF of 1.5 million hours, providing reliable 24/7 operation in critical environments.
Q
Is it compatible with HPE ProLiant servers?
A
Yes, it is fully validated for HPE ProLiant Gen9, Gen10 and Gen11 servers and HPE Synergy platforms.
Q
Can I use this SSD in non-HPE systems?
A
Yes; as a standard SATA M.2 2242 drive it works in most compatible motherboards, though firmware updates are via HPE tools.
Q
Does the drive support TRIM and SMART?
A
Yes, it supports ATA TRIM and SMART commands for optimized performance and proactive health monitoring.
Q
Which operating systems are supported?
A
It is compatible with Windows, Linux and VMware ESXi when used in supported HPE or standard M.2 slots.
Q
How do I install the HPE 866842-B21 SSD?
A
Insert it into an available M.2 2242 slot, secure with the mounting screw and enable the SATA port in BIOS or firmware.
Q
What is the typical power consumption?
A
The drive operates at 3.3 V with an active power draw of approximately 2 W and low idle consumption.
Q
How can I update the SSD firmware?
A
Use the HPE Service Pack for ProLiant (SPP) or HPE Smart Storage Administrator to identify and apply firmware updates.
Q
What warranty does the HPE 866842-B21 include?
A
It carries a three-year limited warranty backed by HPE support and worldwide parts replacement.
Q
Which applications are ideal for this SSD?
A
It is ideal for boot drives, caching layers, virtual desktop infrastructure (VDI) and read-intensive database workloads.
