875593-B21 HPE 400GB Solid State Drive
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875593-B21 HPE 400GB PCI-Express SFF SSD Refurbished

Availability: In Stock
Part Number#: 875593-B21
List Price was: $858.97
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Short Description:
875593-B21 400 Gigabytes (GB) Peripheral Component Interconnect Express (PCIE) 3.0 X4 2.5inch Small Form Factor (SFF) Hot Swap Digitally Signed Firmware Solid State Drive for Server | Made by HPE | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
30 Days

Product Details

The HPE 875593-B21 Solid State Drive (SSD) is a cutting-edge storage solution designed for servers that require high performance, low latency, and reliable data storage. This SSD is designed to fit into a small form factor (SFF) hot-swappable drive bay, making it easy to install and remove without disrupting server operations. With its digitally signed firmware, this SSD ensures that the data stored within it is secure and tamper-proof.

In this article, we will explore the features and benefits of the HPE 875593-B21 SSD, including its capacity, interface, form factor, and firmware, and why it is an ideal storage solution for modern servers.


The HPE 875593-B21 SSD has a storage capacity of 400 Gigabytes (GB), which is more than enough for most server applications. This capacity allows the SSD to store a large amount of data, including operating system files, application software, and user data. With this capacity, the SSD can also be used for high-performance computing tasks, such as data analysis, machine learning, and scientific simulations.


The HPE 875593-B21 SSD uses the Peripheral Component Interconnect Express (PCIe) 3.0 x4 interface, which provides high-speed data transfer rates. This interface is compatible with modern servers that support PCIe 3.0, which is a common interface in modern server motherboards. The PCIe 3.0 x4 interface allows the SSD to transfer data at a speed of up to 3.94 GB/s, which is several times faster than traditional hard disk drives (HDDs).

Form Factor

The HPE 875593-B21 SSD has a small form factor (SFF) of 2.5 inches, which is ideal for servers that require high-density storage. The SFF form factor allows the SSD to fit into a hot-swappable drive bay, which makes it easy to install and remove without disrupting server operations. The hot-swappable feature also allows servers to be upgraded or repaired without shutting down the entire system.

Digitally Signed Firmware of the HPE 875593-B21 SSD

The HPE 875593-B21 SSD has digitally signed firmware, which ensures that the data stored within it is secure and tamper-proof. The firmware is signed by HPE, which means that it has been verified and authenticated by the manufacturer. This feature provides an extra layer of security for the data stored within the SSD, which is especially important for servers that handle sensitive or critical data.

Benefits of the HPE 875593-B21 SSD

The HPE 875593-B21 SSD provides several benefits for modern servers, including:

  • High performance: The PCIe 3.0 x4 interface and solid-state technology provide high-speed data transfer rates and low latency, which improves server performance.
  • Reliability: Solid-state technology has no moving parts, which reduces the risk of mechanical failure and increases the reliability of the SSD.
  • Energy efficiency: Solid-state technology uses less power than traditional HDDs, which reduces power consumption and lowers energy costs.
  • Easy installation: The SFF form factor and hot-swappable feature make the SSD easy to install and remove without disrupting server operations.

Main Specifications about the HPE 875593-B21

Technical Information for 400GB Solid State Drive

  • Interface: PCI-E
  • Nand Flash Memory Type : Multi-level Cell (MLC)
  • Form Factor : 2.5inch SFF
  • Features: Digitally Signed Firmware (DS)
  • Bundled With : HPE Smart Carrier NVMe
  • Connectivity: Dual Port
  • Workload Type: Mixed Use
  • Plug Type: Hot Pluggable
  • Platform Supported: HPE ProLiant Rack/Tower/BladeSystem Servers/Synergy

Performance of PCI-E SSD

  • Endurance DWPD (Drive Writes Per Day): 3
  • MAX Seq Reads Throughput (MiB/s): 2390
  • Max Seq Writes Throughput (MiB/s): 850
  • Random Read IOPS (4KiB, Q=16): 140000
  • Random Write IOPS (4KiB, Q=16): 16500

Power Consumption for Hot Swap SSD

  • Idle Time: 3.22 Watt
  • Random Read: 3.46 Watt
  • Random Write: 7.68 Watt
  • Sequential Read: 6.40 Watt
  • Sequential Write: 7.51 Watt
  • Random Read/Write: 5.51 Watt

Dimensions & Weight

  • Height: 0.63 Inch
  • Width: 3.10 Inch
  • Depth: 5.45 Inch
  • Weight: 1.50 Lbs

Compatibility Information

  • Proliant Dl360 Gen10, Dl360 Gen9, Dl380 Gen10, Dl380 Gen9, Dl385 Gen10, Dl388 Gen9, Dl560 Gen9, Dl580 Gen9, Ml350 Gen9, Ws460c Gen9, Xl230k Gen10
  • Designed for HPE ProLiant Gen8 Gen9 Gen10 Servers

Contact us or ask for live chat/help if you have any questions about the compatibility of this item to ensure the model's matching features with your current system.

Product Condition:
Warranty provided by ALLHDD.COM:
30 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

Here, you can check more available conditions of your desired product 875593-B21 at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

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Shipping Options and Estimated Delivery Time

UPS Shipping Options:

FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days

UPS 3 Day Select®
Estimated delivery time: 3 business days

UPS 2nd Day Air®
Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM

UPS Next Day Air® Standard Overnight
Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.

UPS Next Day Air® - Priority Overnight
Estimated delivery time: Overnight Delivery (Next Business Day) Delivery by 10:30 AM or 12:00 PM

UPS Next Day Air® First Overnight - Early A.M
Estimated delivery time: Overnight 8:00 AM, Early morning, overnight delivery for your time-critical shipments.

UPS® First Overnight - Saturday
Estimated delivery time: Overnight 8:30 AM – Saturday

FedEx Shipping Options:

FedEx Ground®
Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.

FedEx Express Saver®
Estimated delivery time: 3 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states (except Hawaii and Alaska)

FedEx 2Day®
Estimated delivery time: 2 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states

FedEx Standard Overnight®
Estimated delivery time: Next-business-day (by 4:30 PM to U.S. businesses and by 8:00 PM to residences)
Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
Estimated delivery time: Next-business-day (by 10:30 PM to U.S. businesses, noon to most residences)
Available throughout all 50 states

FedEx First Overnight®
Estimated delivery time: Next-business-day (by 8:30 or 9 AM to most areas)
Available throughout all 50 states

Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
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