SATA vs. PATA HDD's

Which HDD type do you have?

  • PATA

    Votes: 5 27.8%
  • SATA

    Votes: 18 100.0%
  • SSD

    Votes: 4 22.2%

  • Total voters
    18

Darryl Licht

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OK, this came to me while surfing through threads here this morning.

Many people when moving to a new OS will be looking at buying a new Hard Disk Drive (HDD), but many don’t know the difference between PATA and SATA, so:

Advanced Technology Attachment (ATA), Parallel Advanced Technology Attachment (PATA), and Integrated Drive Electronics (IDE) all refer to the same technology. The technology has basically remained the same since the mid 80's. There were some changes to the throughput or the amount of data that could ba transferred from mobo to HDD in a given time and back then each revision was given a name & number (ATA1, ATA2, ATA3, etc). This technology culminated in 2001 with ATA7 (AKA: Ultra ATA or Ultra IDE), which had a maximum data transfer rate of up to 133 MB/sec (megabytes per second).

When Serial Advanced Technology Attachment (SATA) hit the scene in 2000 it was a fresh new start. SATA proved superior in many areas and has quickly become the new standard. At this stage to make a clear difference between ATA and the newer SATA standard, the older ATA standard was redefined and named Parallel ATA (or PATA).

There are many differences between PATA and SATA when it comes to the cables and connectors. SATA data cables have only four wires; two for sending and two for receiving data.PATA data cables come in 40-wire or 80-wire designs and are commonly referred to as ribbon cables. PATA cables are bulky, hard to install and impede air-flow in the chasis. SATA cables are easier to install & uninstall, consume minimal space and do not impede the air-flow thereby allowing better circulation.
Data Cables_1.jpg PATA (left) vs SATA (right) data cables

Currently there are 2 versions of SATA drives available: SATA I and SATA II. SATA I, usually referred to as SATA 1.5 Gb/s (gigabits per second) is capable of communicating at a rate of up to 150 Gb/s, while the older PATA can deliver only up to 133 MB/s speed. The latest SATA II (AKA: SATA 3.0 Gb/s) technology can communicate at a rate up to 300 Gb/s. The upcoming SATA III technology which was just finalized earlier this year by the Serial ATA International Organizationwill have a speed of 6 Gb/s.
pata on mobo.jpg PATA connectors on motherboard
sata on mobo.jpg SATA connectors on motherboard
Power_Cables_1.jpg SATA vs PATA power cables

Today in computing as SATA has won as the data connector of choice, we are now faced with a new choice...
Mechanical vs SSD.jpg
Mechanical vs. Solid State Drives (SSD).

Simply referred to as mechanical HDD's, most of today's PC's still are equipped with a HDD that consists of multiple metal platters which spin anywhere from 5400-10000 RPM via an electrical motor.
Disassembled_HDD.jpg

A solid-state drive (SSD) is a newer technology that uses non-volatile flash memory (just like what is found in today's USB flash drives) to create a more rugged and compact devices for the consumer market. With no moving parts, solid-state drives are less fragile than mechanical hard disks and are also silent (unless a cooling fan is used); as there are no mechanical delays, they usually enjoy low faster access times and lower latency. All the SSD's found today in the market will use the SATA data interface, due to their faster speeds.
oczcolossus.jpg

I HOPE THIS HELPS ALL!!! :geek:
 
Last edited:

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Great summary Darryl. Noobs shall be confused no longer
 

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AMD Phenom 9950 2.6GHz
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ASUS M3A32-MVP Deluxe w/WiFi
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2x Crucial Ballistix 1GB PC2-8500
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ATI Radeon HD 4870 1GB GDDR5
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Creative SoundBlaster Audigy 4
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Seagate 160GB
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I don't know the difference you are talking about with SSD drives. Mine is connected using the SATA interface. Just normal SATA.
 

My Computer

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Keeps changing - (Custom)
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Windows 7 Professional x64
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Intel Core i7 860
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Gigabyte GA-P55-UD4P
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MSI GTS250 1GB DDR3 Twin Frozr
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Onboard realtek
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Samsung SyncMaster 24" P2450 + Samsung 20" 2033
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Patriot Inferno 120GB SSD + 3 WD Blue 640GB drives
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I don't know the difference you are talking about with SSD drives. Mine is connected using the SATA interface. Just normal SATA.

SSD's still use the SATA interface but I will add info on them for novices/noobs.
 

My Computer

Computer Manufacturer/Model Number
Homebrew PC - "Alpha_Dawg"
OS
Windows 7 Ultimate 64 bit Steve Ballmer Signature Edition
CPU
Intel Core 2 Quad - Q9550 - 2.83GHz stock - OC'd to 3.6GHz
Motherboard
Gigabyte EP45-UD3P
Memory
4GB DDR2 800MHz (PC6400) OCZ Reaper
Graphics Card(s)
Nvidia GE Force 8800 GTS
Sound Card
Asus Xonar DX
Monitor(s) Displays
Samsung SyncMaster 2333HD
Screen Resolution
1920 x 1080
Hard Drives
WD Caviar Black 750GB - 7200RPM - 32MB cache
WD Caviar Green 1.5TB - 5400RPM - 64MB cache
WD Caviar Green 2.0TB - 5400RPM - 64MB cache
PSU
PC Power & Cooling Silencer 750
Case
Gigabyte 3D Aurora
Cooling
Case is Air - 5ea. 120mm fans (mix of Arctic and Xigmatec)
Keyboard
MS Natural Wireless KB
Mouse
MS Wireless Mouse
Internet Speed
50 mbps down/5 mbps up
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AVerMedia - AVerTVHD G2 Dual Tuner Card
If I am correct, the only PHYSICAL difference with the drive is that it fits in a 2.5" slot, rather than a 3.25" slot like other HDD's. Some newer cases are coming with additional SSD drive expansion slots as well as the regular HDD expansion slot.
This might be a long shot, but I am 90% sure that I have seen what you could call an up-converter so an SSD can fit in a regular hard drive slot.

PS: Darryl, your signature is awesome :D
 
Last edited:

My Computer

Computer Manufacturer/Model Number
Custom Built
OS
Windows 7 Ultimate x86 OEM
CPU
AMD Phenom 9950 2.6GHz
Motherboard
ASUS M3A32-MVP Deluxe w/WiFi
Memory
2x Crucial Ballistix 1GB PC2-8500
Graphics Card(s)
ATI Radeon HD 4870 1GB GDDR5
Sound Card
Creative SoundBlaster Audigy 4
Monitor(s) Displays
ASUS VW246H 24" Widescreen Full HD
Screen Resolution
1920 * 1080
Hard Drives
Seagate 160GB
Seagate 300GB
Seagate 500GB
Western Digital 250GB
PSU
OCZ GameXStream 850W
Case
Thermaltake Element S
Cooling
CPU: Noctua NH-U12P
Keyboard
Razer Lycosa Mirror Finish
Mouse
Razer DeathAdder 3.5g 3500DPI
Internet Speed
1.0+MB/s Down, 128KB/s Up
Other Info
D-Link DIR-655 Extreme Wireless N Router
Canowyrms:

Thanks regarding the sig! And yes many make an adapter to fit a 2.5" HDD in a 3.5" HDD slot in a desktop case!

I guess I need to add the SSD section to this thread!
 

My Computer

Computer Manufacturer/Model Number
Homebrew PC - "Alpha_Dawg"
OS
Windows 7 Ultimate 64 bit Steve Ballmer Signature Edition
CPU
Intel Core 2 Quad - Q9550 - 2.83GHz stock - OC'd to 3.6GHz
Motherboard
Gigabyte EP45-UD3P
Memory
4GB DDR2 800MHz (PC6400) OCZ Reaper
Graphics Card(s)
Nvidia GE Force 8800 GTS
Sound Card
Asus Xonar DX
Monitor(s) Displays
Samsung SyncMaster 2333HD
Screen Resolution
1920 x 1080
Hard Drives
WD Caviar Black 750GB - 7200RPM - 32MB cache
WD Caviar Green 1.5TB - 5400RPM - 64MB cache
WD Caviar Green 2.0TB - 5400RPM - 64MB cache
PSU
PC Power & Cooling Silencer 750
Case
Gigabyte 3D Aurora
Cooling
Case is Air - 5ea. 120mm fans (mix of Arctic and Xigmatec)
Keyboard
MS Natural Wireless KB
Mouse
MS Wireless Mouse
Internet Speed
50 mbps down/5 mbps up
Other Info
AVerMedia - AVerTVHD G2 Dual Tuner Card
SSD Section added...

I just added a few paragraphs on SSDs!
 

My Computer

Computer Manufacturer/Model Number
Homebrew PC - "Alpha_Dawg"
OS
Windows 7 Ultimate 64 bit Steve Ballmer Signature Edition
CPU
Intel Core 2 Quad - Q9550 - 2.83GHz stock - OC'd to 3.6GHz
Motherboard
Gigabyte EP45-UD3P
Memory
4GB DDR2 800MHz (PC6400) OCZ Reaper
Graphics Card(s)
Nvidia GE Force 8800 GTS
Sound Card
Asus Xonar DX
Monitor(s) Displays
Samsung SyncMaster 2333HD
Screen Resolution
1920 x 1080
Hard Drives
WD Caviar Black 750GB - 7200RPM - 32MB cache
WD Caviar Green 1.5TB - 5400RPM - 64MB cache
WD Caviar Green 2.0TB - 5400RPM - 64MB cache
PSU
PC Power & Cooling Silencer 750
Case
Gigabyte 3D Aurora
Cooling
Case is Air - 5ea. 120mm fans (mix of Arctic and Xigmatec)
Keyboard
MS Natural Wireless KB
Mouse
MS Wireless Mouse
Internet Speed
50 mbps down/5 mbps up
Other Info
AVerMedia - AVerTVHD G2 Dual Tuner Card
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