The HPE 861683-B21 (ST4000NM0035 MB4000GVYZK) is a 4TB 7.2K 6G LFF (Large Form Factor) 3.5" SATA drive designed for HPE ProLiant Gen10 servers. It is a hard disk drive (HDD) with a capacity of 4TB, a rotational speed of 7,200 revolutions per minute (RPM), and a 6G interface speed. This drive is specifically designed for use with HPE Gen10 servers and is compatible with their drive bays.

Here are some key specifications of the HPE 861683-B21:

• Capacity: 4TB
• Form Factor: 3.5" LFF (Large Form Factor)
• Interface: SATA 6G (Serial ATA)
• Spindle Speed: 7,200 RPM
• Data Transfer Rate: 6Gbps (Gigabits per second)
• Hot-Pluggable: Yes (Hot-Swap compatible)
• Compatibility: HPE ProLiant Gen10 servers

This drive can be used for various purposes such as data storage, backups, and general server usage. It is important to note that it is specifically designed for HPE Gen10 servers and may not be compatible with other server models or brands.

Please make sure to verify the compatibility of this drive with your specific server model before making a purchase.

Compatible Systems:

HPE Apollo: 4200 Gen9 (3.5 inch), 4510 Gen9 (3.5 inch), 4520 Gen9 (3.5 inch), 4530 (3.5 inch)

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 Solution (3.5inch), DL385 Gen10 Plus (3.5inch), DL385 Gen10 Plus Entry (3.5inch)

HPE ProLiant ML Series: ML110 Gen10 (3.5 inch), ML110 Gen10 Performance (3.5 inch), ML110 Gen10 Solution (3.5 inch), ML350 Gen10 (3.5 inch), ML350 Gen10 Base (3.5 inch), ML350 Gen10 Entry (3.5 inch), ML350 Gen10 Performance (3.5 inch), ML350 Gen10 Solution (3.5 inch), ML350 Gen10 Sub-Entry (3.5 inch)