Asked by: Samera Guzie
technology and computing computer peripherals

What is the difference between SATA II and III?

25
SATA II specifications provide backwardcompatibility to function on SATA I ports. SATA IIIspecifications provide backward compatibility to function onSATA I and SATA II ports. However, the maximum speedof the drive will be slower due to the lower speedlimitations of the port.


Similarly one may ask, what is SATA III?

SATA III doubles the maximum data transfer ratefor previous Serial ATA storage interface specifications from3 to 6 Gigabits per second (6 Gb/s), enabling faster datatransfer speeds between storage units, hard drives, solid statedisk drives, optical drives and protocol host bus adapters(HBAs).

One may also ask, is eSATA as fast as SATA? eSATA cables are not the same as SATA Icables, they are shielded and have a different connector than the Lshaped design of internal SATA I connectors. TheeSATA port on the GT 050Q supports speeds up to 1.5 Gb/sec(150 MB/sec), much faster than FireWire 400 or FireWire800.

Considering this, can I use a SATA 3 SSD on a sata2 motherboard?

If you are running an intel chipset motherboardand using its SATA III ports, yes by all means. Inall other cases no. Real world performance, no.

What are SATA speeds?

SATA II, also known as SATA 3Gb/s, is thesecond generation. This SATA version runs at 3Gb/s, with abandwidth throughput of 300MB/s. The most recent generationof SATA is SATA III, or SATA 6Gb/s.SATA III's interface runs at 6Gb/s, and the bandwidththroughput is 600MB/s.

Related Question Answers

Gaofeng Ariztegui

Professional

How much faster is NVMe?

Via that connection, most SSDs will provide Read/Writespeeds in the neighborhood of 530/500 MB/s. For comparison, a 7200RPM SATA drive manages around 100MB/s depending on age, condition,and level of fragmentation. NVMe drives, on the other hand,provide write speeds as high as 3500MB/s.

Aima Campano

Professional

What speed is SATA 3?

The bandwidth throughput, which is supported by theinterface, is up to 300MB/s. SATA III (revision 3.x)interface, formally known as SATA 6Gb/s, is a thirdgeneration SATA interface running at 6.0Gb/s. The bandwidththroughput, which is supported by the interface, is up to600MB/s.

Mayda Naji

Professional

Which hard drive is better 5400rpm or 7200rpm?

Given two identically designed hard drives withthe same areal densities, a 7,200 RPM drive will deliverdata about 33% faster than the 5,400 RPM drive.Consequently, this specification is important when evaluating theexpected performance of a hard drive or when comparingdifferent HDD models.

Lanie Dilgen

Explainer

Are all SATA cables the same?

The same cables and connectors used forcurrent SATA implementations can be used to connectSATA 6Gb/s devices. You can see that all thecables have the same gauge of signal wire, althoughthe Asus SATA 6Gb/s and the Intel SATA 3Gb/s bothhave an additional ground wire.

Elizabel Haenraets

Explainer

What is the difference between SSD and NVMe?

NVMe (Non-Volatile Memory Express) is aninterface protocol built especially for Solid State Drives(SSDs). NVMe works with PCI Express (PCIe) totransfer data to and from SSDs. NVMe enables rapidstorage in computer SSDs and is an improvement over olderHard Disk Drive (HDD) related interfaces such as SATA andSAS.

Mahfud Mehand

Explainer

What is a SATA connector on a computer?

Serial ATA. Serial ATA (SATA, abbreviated fromSerial AT Attachment) is a computer bus interfacethat connects host bus adapters to mass storage devices such ashard disk drives, optical drives, and solid-statedrives.

Fredesvinda Bachelis

Pundit

Can I use a SATA 6gb/s on a 3gb S?

You can use a SATA III 6Gb/s SSD ona motherboard supporting SATA 1.5Gb/s or3Gb/s interface. However, the transfer speedwill not reach the defined level of SATA6Gb/s.

Binetou Ruhlicke

Pundit

Can I use SATA cable for multiple drives?

Yes, you can connect multiple devices onone SATA power cable.

Dorys Gasnier

Pundit

Does it matter what SATA port I use?

Your motherboard may use two SATAcontrollers, the one that is part of the chipset, and a secondarycontroller from a company like ASMedia. Conventional wisdom is thatit's best to attach an SSD to a chipset controller SATA 3port. For your other drives, it shouldn'tmatter.

Solanyi Altaba

Pundit

Will SSD work with any motherboard?

As a data interface, yes, it behaves just like an harddisk. For physical compatibility, the hardware must support SATA oryou have to add an adapter. Motherboards with more recent SATAversions, like 2 or 3 can profit better from a SSDbecause of the wider bandwidth. An ssd is anssd,which will work regardless.

Zuleyka Diamanka

Pundit

Is Sata a SSD?

SATA drives come in varying speeds and capacitiesand SSD drives come in varying capacities. Why areSSDs so much quicker than conventional SATA drives?There are no moving parts because there is no spinning disk likeyou would find in a SATA drive that has to read and writedata to an actual disk.

Surya Seytter

Teacher

Can SATA 2 replace SATA 3?

Your SATA controller on your laptop is part ofthe motherboard. Yes, your new SSD will work, but atSATA-II speeds (3 gbps). I have run SSDs inSATA-II ports before and although you do not get thefull SATA-III experience (6 gbps), they are still faster andmore reliable than traditional hard drives.

Adriano Vagnoryus

Teacher

What is a SATA SSD drive?

SATA stands for Serial ATA which is a interfaceto connect your hdd, ssd and dvd/ cd devices. SSDstands for Solid State Drive and is a new way of massstorage in which data is stored on flash chips and there is nomoving parts in this.

Thiago Logan

Teacher

What does Ncq mean?

Native Command Queuing

Ivet Jenkinson

Teacher

When did Sata 3 come out?

SATA was first introduced in 2000, replacing theaged PATA ribbon cables. It was revised in 2003 and again in2004, and 2008, bringing SATA to version three —commonly referred to as SATA III, or 3.0.

Akira Legarre

Reviewer

How many types of SSD are there?

SLC, MLC, and TLC NAND
These three memory types are the primarykinds of NAND chips seen in modernSSDs.

Danae Sloma

Reviewer

Can you use an internal SATA data cable with an eSATA port?

Yes, it's possible to use an internal SATA 3.5HDD powered by your independent power supply. There is no extracircuitry as far as I know, and the only thing you need isthe SATA to eSATA cable. If you have an eSATApport, you can just use a compatiblecable and it will provide power directly from theport.

Raminta Haefele

Reviewer

Is USB 3.0 as fast as SSD?

Normally, SSDs run faster than flashdrives, but this is due to their USB 3.0 connectors, whichhelp optimize performance. Most flash drives also have USB3.0 today. Keep in mind that speed won't be affected unless thecomputer has a USB 3.0 port.

Lamarana Gropyanov

Reviewer

What is eSATA used for?

eSATA is a SATA connector accessible from outsidethe computer, to provide a signal (but not power) connection forexternal storage devices. eSATAp combines the functionality of aneSATA and a USB port, and a source of power in a singleconnector.

Co-Authored By:

EveryThingWhat Staff Editor

7

15th June, 2020

60

86% of readers found this page helpful.

4.8/5

Click a star to add your vote

Similar Asks
Trending