Dell 400-BLKK 7.68TB SSD
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Dell 400-BLKK 7.68TB PCI-E 4.0 X4 NVMe TLC Read Intensive New

Availability: In Stock
Part Number#: 400-BLKK
List Price was: $2005.13
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New Sealed

Short Description:
400-BLKK 7.68 Terabytes (TB) Peripheral Component Interconnect Express (PCI-E) 4.0 X4 Non-Volatile Memory Express (NVMe) Triple Level Cell (TLC) Read Intensive Solid State Drive for Server | Made by Dell | Brand New
Product Condition:
New Sealed
Warranty provided by ALLHDD.COM:
90 Days

More Information

It's important to note that NVMe and PCI-E 4.0 are technologies that allow for faster communication between the drive and the host system and TLC NAND flash memory has a lower write endurance than other types of flash memory such as MLC or SLC, but it is more affordable and commonly used in high-capacity drives.

In general, when selecting a drive for a read-intensive workload, it's important to consider factors such as the drive's read performance, capacity, and endurance. Additionally, it's important to ensure that the drive is compatible with the system it will be used in, and that the drive is designed to handle the specific type of workload it will be subjected to.

If you let me know the exact model number and some more information about the use case and system it will be installed on, I will be happy to assist you further with more accurate information.


It's important to note that when selecting a drive, the performance numbers given by the manufacturer should be considered as a guide rather than a definitive measure of the drive's performance. The actual performance can be affected by many factors such as the system configuration, software, and workload.

In general, NVMe and PCI-E 4.0 technology allow for faster communication between the drive and the host system, which can improve the overall performance, specially in read-intensive workloads. Additionally, using a SSD with a large capacity like 7.68TB can provide faster access to large amount of data, in addition to reducing the time and resources needed to manage multiple smaller drives.

It is important to note that TLC NAND flash memory can have lower write endurance than other types of flash memory such as MLC or SLC, this means that the drive might have a shorter lifespan than other types if subjected to heavy write workloads.

If you have more information about the use case and system the drive will be installed in, I would be happy to assist you with more specific information on performance.

Exceptional Reliability

It is important to note that the reliability of a solid state drive (SSD) can depend on a number of factors, including the type of workload it is subjected to, the environment in which it is used, and the quality of components used in the drive.

In general, SSDs can be more reliable than traditional hard disk drives (HDDs) in certain ways, because they have no moving parts and are less likely to be damaged from bumps and drops. Additionally, SSDs tend to have lower rates of failure due to hardware issues because they have fewer components that can malfunction.

However, TLC (triple-level cell) NAND flash memory, which is the type of memory used in some SSDs, is known to have lower write endurance than MLC (multi-level cell) or SLC (single-level cell) NAND flash memory. This means that TLC SSDs can experience more wear and tear over time if they are subjected to heavy write workloads, which can lower their overall reliability.

General Information about this Dell 400-BLKK

  • Manufacturer: Dell
  • Part Number or SKU# 400-BLKK
  • Device Type: Solid State Drive
  • Interfaces: Nvm-Express

Technical Information for 7.68TB Solid State Drive

  • Storage Capacity: 7.68TB
  • Form Factor: U.2 15mm 2.5inch
  • Features: Read Intensive
  • Expansion / Connectivity
  • Device Type : Solid State Drive - Internal
  • Form Factor : U.2 15mm 2.5inch
  • Interfaces: 2 X PCI Express 4.0 X4 (Nvme)
  • Compatible Bay: 1 X Internal - 2.5inch

Dimensions & Weight of 2.5 Inch SSD

  • Height : 0.6 Inch
  • Width : 2.7 Inch
  • Depth : 3.9 Inch
  • Weight : 0.35 LBS


  • Poweredge C6420
  • Poweredge C6525
  • Poweredge R340
  • Poweredge R440
  • Poweredge R540
  • Poweredge R640
  • Poweredge R6415
  • Poweredge R6515
  • Poweredge R6525
  • Poweredge R740
  • Poweredge R740xd
  • Poweredge R7415
  • Poweredge R7425
  • Poweredge R7515
  • Poweredge R7525
  • Poweredge R840
  • Poweredge R940
  • Poweredge R940xa

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:
New Sealed
Warranty provided by ALLHDD.COM:
90 Days

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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®
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UPS 2nd Day Air®
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UPS® First Overnight - Saturday
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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®
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FedEx Express Saver®
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Available throughout all 50 states (except Hawaii and Alaska)

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Available throughout all 50 states

FedEx Standard Overnight®
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Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
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Available throughout all 50 states

FedEx First Overnight®
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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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