United States
| Name: |
877988-B21 |
| Description: | HPE 4TB NVMe x4 RI SFF SCN DS SSD |
| Rating: |
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Added to cart 28 times recently |
| Availability: |
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3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
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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
877988-B21 Overview
877988-B21 is a 4 TB, 3.5-inch HDD with a SATA III interface, spinning at 7200 RPM and equipped with a 128 MB cache. It is engineered for high performance and reliability with a robust workload rating of 180 TB/yr, an MTBF of 1,000,000 hours, and rated for demanding operational environments.
Designed for use in desktops, servers, NAS, surveillance systems, and enterprise storage solutions, 877988-B21 features efficient power consumption at 8 Watts (read/write) and 6 Watts (idle) along with built-in vibration protection. Its precision dimensions—1.03 inches in height, 5.79 inches in width, and 4.00 inches in depth—and a weight of 2.9 lbs further ensure compatibility in multi-bay configurations and diverse computing setups.
What is the price of 877988-B21?
Pricing for 877988-B21 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for 877988-B21.
Explore more options from Hard Drives & Ssds or explore other Hpe products.
877988-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 250 MB/s |
| Annual Workload Rating | 180 TB/yr |
| Power Consumption (Read/Write) | 8 Watts |
| Power Consumption (Idle) | 6 Watts |
| Encryption Support | No |
| Helium Sealed | No |
| Drive Bays Supported | Multi-bay |
| Vibration Protection | Yes |
| Advanced Features | N/A |
| Operating Temperature | 5–60°C |
| Product Name | 877988-B21 4TB Enterprise SATA III HDD |
| Height | 1.03 inches |
| Width | 5.79 inches |
| Depth | 4.00 inches |
| Weight | 2.9 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Advanced Features | Dual Actuator | N/A | Dual Actuator | Rotational Vibration Sensors | N/A |
| Annual Workload Rating | 300 TB/yr | 180 TB/yr | 180 TB/yr | 550 TB/yr | 180 TB/yr |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Cache (Buffer Size) | 256 MB | 128 MB | 128 MB | 256 MB | 128 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 150 MB/s |
| Depth | 7.78 inches | 4.00 inches | 4.0 inches | 5.78 inches | 3.94 inches |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Single |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Encryption Support | AES 256-bit | No | AES 256-bit | No | No |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 2.5-inch |
| Height | 1.04 inches | 1.03 inches | 1.03 inches | 1.03 inches | 0.28 inches |
| Helium Sealed | Helium-Sealed | No | Helium-Sealed | Helium-Sealed | No |
| Interface | SATA III | SATA III | SATA III | SATA III | SATA III |
| Operating Temperature | 5–55°C | 5–60°C | 5–60°C | 5–60°C | 5–55°C |
| Power Consumption (Idle) | 4.5 Watts | 6 Watts | 4 Watts | 6.2 Watts | 1.5W |
| Power Consumption (Read/Write) | 6.7 Watts | 8 Watts | 8 Watts | 8.9 Watts | 3W |
| Product Name | P04525-B21 | 877988-B21 4TB Enterprise SATA III HDD | P05924-B21 Enterprise HDD | ST8000NM001A 8TB Enterprise HDD | Seagate Barracuda ST1000LM035 |
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 5400 RPM |
| Storage Capacity | 4 TB | 4 TB | 4 TB | 8 TB | 1 TB |
| 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 |
| Vibration Protection | Yes | Yes | Yes | Yes | No |
| Weight | 3.3 lbs | 2.9 lbs | 2.0 lbs | 2.1 lbs | 0.53 lbs |
| Width | 5.79 inches | 5.79 inches | 5.8 inches | 4.00 inches | 2.75 inches |
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