When a hard disk is marked as 64MB, what does it mean? Does ASUS H81M-A motherboard support it?

Matthew Wai · Mar 29, 2015

When a hard disk is marked as 64MB, what does it mean?
Does my ASUS H81M-A motherboard support it?

rgd1101 · Mar 29, 2015

it mean it have 64mb for cache.
as for the motherboard support, does it use the same connection?

Matthew Wai · Mar 30, 2015

The user guide says 'Serial ATA 3.0/6.0 Gb/s connectors', but it says nothing about cache. How can I find it out?

rgd1101 · Mar 30, 2015

cache is on the hard drive, you don't have to do anything for that.
is the HDD have the same SATA connector?

Matthew Wai · Apr 1, 2015

Sorry, the hard disk is marked as 'SATA3 32MB'. Is it true that my motherboard can support it as long as there is an on-board SATA3 connector, regardless of the number '32MB'?

Paperdoc · Apr 1, 2015

Yes, don't worry. Any SATA hard drive should be able to connect to any SATA port and a mobo and work just fine. You don't even have to match the SATA 6Gb/s or 3 Gb/s or SATA II specs. As rdg1101 said, the cache size does not cause any difficulty.

Matthew Wai · Apr 2, 2015

A SATA2 device can work with an on-board SATA3 (6 Gb/s) connector, but the transfer rate is 3 Gb/s.
A SATA3 device can work with an on-board SATA2 (3 Gb/s) connector, but the transfer rate is 3 Gb/s.
And the same applies to the connections between SATA1 and SATA2.
Are they correct?

hang-the-9 · Apr 2, 2015

Matthew Wai :

Don't know who "they" is, but any SATA drive will work on any SATA motherboard connection, with a few exceptions for limitation of the motherboard and file system. For example to run a 3 TB drive you will need a pretty modern computer without having to mess with partitioning it in two.

Matthew Wai · Apr 3, 2015

'They' refers to the three sentences below. Are they correct?
A SATA2 device can work with an on-board SATA3 (6 Gb/s) connector, but the transfer rate is 3 Gb/s.
A SATA3 device can work with an on-board SATA2 (3 Gb/s) connector, but the transfer rate is 3 Gb/s.
And the same applies to the connections between SATA1 and SATA2.

How can I quote a post? I can't see such a button.

hang-the-9 · Apr 6, 2015

Matthew Wai :

If you click on "reply to ..." it will add your post with quoting the one you replied to.

All SATA disks will work on all revisions of SATA connections on the motherboard, and will be limited by the slowest speed of either the disk or the interface. I would not worry about SATA revisions unless you are going to be using solid state hard drives in RAID. Even then only SATA 1 may end up not being able to handle the speed.

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When a hard disk is marked as 64MB, what does it mean? Does ASUS H81M-A motherboard support it?

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