United States
Name:
794603-B21
- Description:
- HPE 1.2TB PCIe x4 Lanes Read Intensive Mezzanine 3yr Warranty Card Supports Gen8 Servers and Beyond
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3 Year Extended Warranty
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14-Day Money Back Guarantee
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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
794603-B21 Overview
794603-B21 is a high-performance HDD designed in a 3.5-inch form factor with a SATA III interface, featuring a 7200 RPM spindle speed and 4 TB of storage capacity. It is built with a 128 MB buffer, an annual workload rating of 300 TB/yr, and an MTBF of 1,000,000 hours, ensuring reliable operation rated for demanding hours per year across enterprise applications.
Ideal for data centers, desktops, NAS, and surveillance systems, this drive offers low power consumption at 9 W for read/write operations and 5 W in idle mode while integrating advanced rotational vibration sensors for enhanced stability. Although not helium-sealed, its robust design fits well in multi-bay environments and is engineered to meet rigorous server and enterprise storage requirements.
What is the price of 794603-B21?
Pricing for 794603-B21 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for 794603-B21.
Explore more options from Hard Drives & Ssds or explore other Hpe products.
794603-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 | 300 TB/yr |
| Power Consumption (Read/Write) | 9 W |
| Power Consumption (Idle) | 5 W |
| Encryption Support | AES 256-bit |
| Helium Sealed | No |
| Drive Bays Supported | Multi-bay |
| Vibration Protection | Yes |
| Advanced Features | Rotational Vibration Sensors |
| Operating Temperature | 5–60°C |
| Product Name | 794603-B21 Enterprise HDD |
| Height | 1.0 inches |
| Width | 4.0 inches |
| Depth | 5.8 inches |
| Weight | 2.0 lbs |
794603-B21 Use Case
Accelerating Real-Time Financial Analytics with 794603-B21-HPE Mezzanine
A global investment bank equips its Gen8 trading servers with the 794603-B21-HPE 1.2TB PCIe x4 Lanes Read Intensive Mezzanine to ingest and query live market feeds at sub-microsecond latency. Benefit: 40% faster data retrieval and 30% higher trade throughput, enabling instant risk analysis and more profitable decision-making.
Optimizing VDI Boot Storms Using 794603-B21-HPE Read-Intensive Storage
An enterprise IT department integrates the 794603-B21-HPE 1.2TB PCIe x4 Lanes Read Intensive Mezzanine into Gen8 servers to power 500+ virtual desktops during peak login periods. Benefit: 50% reduction in boot times and seamless user experience under heavy workload, cutting help-desk tickets by 60%.
Enhancing CDN Caching Performance with 794603-B21-HPE Mezzanine Card
A leading media streaming provider deploys the 794603-B21-HPE 1.2TB PCIe x4 Lanes Read Intensive Mezzanine on Gen8 edge servers to serve high-definition video chunks to millions of users. Benefit: 45% lower cache miss rates and 35% reduced backend traffic, ensuring faster content delivery and higher customer satisfaction.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Advanced Features | Dual Actuator | Rotational Vibration Sensors | Dual Actuator | Dual Actuator | Dual Actuator |
| Annual Workload Rating | 550 TB/yr | 300 TB/yr | 550 TB/yr | 180 TB/yr | 550 TB/yr |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Cache (Buffer Size) | 256 MB | 128 MB | 256 MB | 256 MB | 256 MB |
| Data Transfer Rate | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s |
| Depth | 4.01 inches | 5.8 inches | 5.80 inches | 5.78 inches | 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 | No | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Height | 1.03 inches | 1.0 inches | 1.00 inches | 1.03 inches | 1.03 inches |
| Helium Sealed | Helium-Sealed | No | Helium-Sealed | Helium-Sealed | 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 | 5 W | 5 Watts | 4 Watts | 5 Watts |
| Power Consumption (Read/Write) | 8 Watts | 9 W | 8 Watts | 8 Watts | 8 Watts |
| Product Name | P04570-B21 Hard Drive | 794603-B21 Enterprise HDD | Q6M05A | 779176-B21 Enterprise HDD | H6G42A Enterprise 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 | 4 TB | 4 TB | 10 TB | 8 TB | 6 TB |
| Use Case | Desktop / Server / NAS / Surveillance | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage / Server | Enterprise Storage | Server / NAS |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Weight | 1.6 lbs | 2.0 lbs | 1.2 lbs | 2.45 lbs | 1.65 lbs |
| Width | 5.79 inches | 4.0 inches | 4.00 inches | 4.00 inches | 5.79 inches |
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Questions & Answers
Q
What is the storage capacity of the HPE 794603-B21 mezzanine card?
A
The HPE 794603-B21 mezzanine card provides 1.2 TB of read-intensive solid-state storage to accelerate data-heavy workloads.
Q
Which interface and lane configuration does the HPE 794603-B21 use?
A
This card uses a PCIe Gen3 interface with four lanes (x4) for high-bandwidth, low-latency data transfer.
Q
Which HPE server generations are compatible with this mezzanine SSD?
A
The HPE 794603-B21 is fully supported in HPE ProLiant Gen8 servers and all later generations.
Q
What warranty coverage comes with the HPE 1.2 TB Read Intensive Mezzanine Card?
A
HPE provides a standard three-year limited warranty, including parts replacement and global support.
Q
What performance can I expect from this read-intensive SSD card?
A
The card delivers enterprise-grade read throughput and low latency optimized for high-I/O read workloads such as analytics and virtualization.
Q
What primary workloads benefit from this mezzanine SSD?
A
Ideal workloads include database query acceleration, analytics, virtualization boot drives, and content delivery read caching.
Q
How do I install the HPE 794603-B21 mezzanine card in my server?
A
Power off the server, insert the card into an available mezzanine slot on the system board, secure it per HPE guidelines, and power on the server.
Q
Is the HPE 1.2 TB mezzanine card hot-swappable?
A
No. Installation and removal require a server shutdown to access and secure the mezzanine slot safely.
Q
Which operating systems are supported with this mezzanine SSD?
A
HPE validates this card on major enterprise OS platforms, including Microsoft Windows Server, Red Hat and SUSE Linux, and VMware ESXi.
Q
Does the HPE 794603-B21 support advanced data protection features?
A
Yes. It integrates with HPE Smart Array controllers for optional data-at-rest encryption and end-to-end data integrity.
Q
What firmware requirements exist for this HPE mezzanine card?
A
Ensure the server’s HPE iLO and system ROM are updated to the latest revisions as specified in the HPE QuickSpecs for optimal compatibility.
Q
How can I verify server compatibility before purchase?
A
Refer to the HPE QuickSpecs for part number 794603-B21 and use the HPE Compatibility Matrix to confirm support for your server model.
Q
What are the physical dimensions of the mezzanine card?
A
This card conforms to HPE standard mezzanine form factors with a low-profile design of approximately 167 mm × 69 mm.
Q
What is the SKU or part number for ordering this SSD card?
A
Order the card using HPE part number 794603-B21 (SKU: 794603-B21) through authorized HPE channels.
Q
Where can I purchase the HPE 1.2 TB PCIe x4 Read-Intensive Mezzanine Card?
A
Purchase from HPE or an authorized HPE channel partner, or through HPE’s official online storefront for guaranteed genuine parts.
