HPE 861746-X21 6TB SAS-12GBPS HDD
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861746-X21 HPE 6TB SAS 6GBPS 7.2K RPM Hot-Swap LFF Hard Refurbished

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Part Number#: 861746-X21
List Price was: $1503.03
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Short Description:
861746-X21 6 Terabytes (TB) 7200 Revolutions Per Minute (RPM) Serial-Attached SCSI (SAS) 12 Gigabits Per Second (GBPS) Large Form Factor (LFF) Low Profile Carrier (LP) 3.5Inch with Tray Hard Disk Drive for Server | Made by HPE | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

RAID Configuration and Data Protection

RAID (Redundant Array of Independent Disks) is a method of using multiple hard drives to increase data storage capacity, performance, and data protection. There are several types of RAID configurations, each with their own advantages and disadvantages.

RAID 0, also known as striping, splits data across multiple hard drives, which increases the read and write performance. However, it does not provide any data protection, as any failure of one of the hard drives in the array results in the loss of all data.

RAID 1, also known as mirroring, creates a copy of the data on two or more hard drives. This ensures that if one hard drive fails, the data can still be accessed from the other hard drive. However, this configuration only provides protection against one hard drive failure and does not increase performance.

RAID 5 and RAID 6 use striping and parity data to provide both performance and data protection. RAID 5 uses parity data to rebuild data in case of a single hard drive failure, while RAID 6 uses two sets of parity data to rebuild data in case of two hard drive failures.

RAID 10 combines the benefits of RAID 1 and RAID 0 by using mirroring and striping. It provides both data protection and performance, but requires at least four hard drives.

When it comes to HPE 6TB SAS hard drive, it can be used in any RAID configuration as long as it meets the required number of hard drives for the specific RAID type.

Large Form Factor (LFF)

Large Form Factor (LFF) is a term used to describe the physical size of a hard drive. LFF hard drives are typically larger in size than their Small Form Factor (SFF) counterparts. This means they take up more space in a computer or server, but they also have a higher storage capacity.

The HPE 6TB SAS Hard Drive is a LFF hard drive, which means it is designed to fit into larger computer cases or servers that can accommodate the larger size of the drive. This makes it an ideal choice for businesses or organizations that require a large amount of storage space for data storage or backup.

In terms of compatibility, LFF hard drives are typically compatible with most servers and storage arrays that have the necessary space to accommodate them. However, it is important to ensure that the server or storage array has the correct connection interface, such as SAS, before installing the drive. It is also important to check the maximum storage capacity of the server or storage array to ensure that the LFF hard drive will fit.

Energy Efficiency

Energy efficiency and power consumption are important factors to consider when selecting a hard drive, as they can have a significant impact on the overall cost of operating a computer or server. The HPE 6TB SAS Hard Drive is designed to be energy efficient, using less power during operation and idle times.

The hard drive uses a lower power mode when not in use, which reduces the amount of energy required to keep the drive spinning. This can help to save on electricity costs and prolong the life of the drive. Additionally, the hard drive is designed to be compliant with energy-efficient standards such as Energy Star, which means it meets certain energy consumption criteria set by the US Environmental Protection Agency.

In terms of power consumption, the HPE 6TB SAS Hard Drive has a typical power consumption of 11 watts when in use and 4.5 watts when idle. This is considered to be relatively low compared to other hard drives on the market, making it a good choice for those looking to save on energy costs.

It's worth noting that the power consumption of the hard drive will also depend on how it is used and configured, as well as the specific computer or server it is installed in. For example, using the hard drive in a RAID configuration may increase power consumption. It's always important to consult the manufacturer's specifications and consult with professionals before making any decision.

Key information of HPE 861746-X21

  • Brand Name: HPE
  • Model Number or SKU# 861746-X21
  • Device Type: Hard Drive - Hot-Swap
  • Capacity: 6 TB
  • Form Factor: 3.5 inch LFF
  • Interface: SAS 12 Gbps
  • Bytes per Sector: 512
  • Carrier Type: Low Profile Carrier (LP)
  • Drive Technology (Fill): Air
  • Plug Type: Hot Plug
  • Workload Type: Business Critical (Midline)
  • Features: Advanced Format 512e, Digitally Signed Firmware
  • Bundled with: HPE Low Profile Carrier
  • Platform Supported: HPE ProLiant Rack/Tower/BladeSystem Servers/Synergy

Performance about HPE 6TB SAS-12GBPS HDD

  • Drive Transfer Rate: 12 Gb/sec (external)
  • Spindle Speed: 7200 RPM
  • Seek Time: 7.45 ms (average) / 14.2 ms (max)
  • Track-to-Track Seek Time: 0.32 ms
  • OD Media Rate, Max Sequential Throughput (MiB/s): 215
  • 128Kib Random Read (IOPs): 110
  • 128Kib Random 70% RD/ 30% WT (IOPs): 115
  • 128Kib Random 50% RD/ 50% WT (IOPs): 120
  • Expansion and Connectivity
  • Interfaces: 1 x SAS 12 Gb/s
  • Compatible Bay: 3.5" LFF

Power Consumption

  • Idle Time: 4.70 Watt
  • Random Read/Write: 6.10 Watt
  • Sequential Read: 6.30 Watt
  • Sequential Write: 6.40 Watt

Dimension and Weight

  • Width : 4 Inch
  • Depth : 5.8 Inch
  • Height : 1 Inch
  • Weight : 1.52 Lbs

Environmental Parameters

  • Min Operating Temperature: 50 °F
  • Max Operating Temperature: 95 °F

Compatibility of 6TB Hard Disk Drive

  • HPE Nimble Storage dHCI Medium Solution with HPE ProLiant DL325 Gen10 Plus (3.5inch)
  • HPE ProLiant DL Series: DL180 Gen10 (3.5inch), DL180 Gen10 Entry (3.5inch), DL180 Gen10 SMB (3.5inch), DL20 Gen10 (3.5inch), DL20 Gen10 Entry (3.5inch), DL20 Gen10 Performance (3.5inch), DL20 Gen10 solution (3.5inch), DL325 Gen10 Base (3.5inch), DL325 Gen10 Plus (3.5inch), DL325 Gen10 Plus for Weka Expansion Tracking (3.5inch), DL325 Gen10 Plus V2 (3.5inch), DL325 Gen10 Plus V2 Base (3.5inch), DL325 Gen10 Solution (3.5inch), DL345 Gen10 Plus (3.5inch), DL345 Gen10 Plus Base (3.5inch), DL345 Gen10 Plus Entry (3.5inch), DL360 Gen10 Plus (3.5inch), DL385 Gen10 Plus (3.5inch), DL385 Gen10 Plus Entry (3.5inch)
  • HPE ProLiant DX Series: DX170r Gen10 (3.5inch), DX2600 Gen10 Premium (3.5inch LFF)
  • HPE ProLiant ML Series: ML30 Gen10 (3.5inch), ML30 Gen10 Entry (3.5inch), ML30 Gen10 Performance (3.5inch), ML30 Gen10 Solution (3.5inch), ML350 Gen10 (3.5inch), ML350 Gen10 Base (3.5inch), ML350 Gen10 Entry (3.5inch), ML350 Gen10 High Performance (3.5inch), ML350 Gen10 Performance (3.5inch), ML350 Gen10 SMB (3.5inch), ML350 Gen10 Solution (3.5inch), ML350 Gen10 Special Server (3.5inch), ML350 Gen10 Sub-Entry (3.5inch)

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:
90 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.


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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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FedEx Shipping Options:

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Worldwide Shipping Options:

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UPS®/FedEx® International Priority

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Important notes:

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