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Seagate Barracuda 7200.10 320GB ATA100 7200RPM 16MB Cache Hard Drive OEM

Seagate Barracuda 7200.10 320GB ATA100 7200RPM 16MB Cache Hard Drive OEM - 1
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SKU: 18410
Shipping Weight: 2lbs

Part #: ST3320620A

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Product Videos [ Edit ]

Features [ Edit | History ]


The Barracuda 7200.10 is the most reliable disc drive around. New perpendicular recording technology supports vertically stored data bits, enabling increased areal density and dependability for workstations and performance PCs..

Quick Specs:
Buffer 16 MB
Storage Capacity 320 GB
Rotational Speed 7200 rpm
Limited Warranty 1 Year
Weight (Approximate) 1.40 lb
Drive Type Internal
Height 1"
Width 0.5"
Depth 5.8"
Drive Interface IDE
Drive Width 3.5"
Drive Interface Standard IDE Ultra ATA/100 (ATA-6)

Specifications [ Edit | History ]

Drive Performance  
     Buffer: 16 MB
     Maximum External Data Transfer Rate: 100 MBps (800 Mbps)
     Rotational Speed: 7200 rpm
General Information  
     Brand Name: Seagate
     Manufacturer: Seagate Technology
     Manufacturer Part Number: ST3320620A
     Manufacturer Website Address:
     Product Line: Barracuda
     Product Model: ST3320620A
     Product Name: Barracuda 7200.10 Hard Drive
     Product Type: Hard Drive
     Drive Interface: IDE
     Drive Interface Standard: IDE Ultra ATA/100 (ATA-6)
Physical Characteristics  
     Depth: 5.8" (147 mm)
     Drive Height: 1/3H
     Drive Type: Internal
     Drive Width: 3.5"
     Height: 1" (26.1 mm)
     Weight (Approximate): 635 g
     Width: 0.5" (11.6 mm)
Technical Information  
     Platform Supported: PC
     Storage Capacity: 320 GB
     Limited Warranty: 1 Year

Customer Reviews of Seagate ST3320620A

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Seagate ST3320620A reviews.
Experience: 15 Days

Verified OwnerVerified Owner


Cheap. Lots of space.
Cons IDE interface.


Good cheap additional storage, if you don't mind the IDE interface. SATA version of the drive is also available.

Experience: 30 Days

Verified OwnerVerified Owner


Works perfectly
Cons none


Have purchased this drive several times now to go in to a Mac Pro, PC and a tivo. I've had absolutely no problems with any that I have purchased.

Experience: 1 Years


Reliable, Fast, Quiet
Cons None


Picked up three of these some time back for a RAID setup, they've worked great all this time, especially after I upgraded to a SATAII board. Ordered another pair for a new PC. Solid hard drive at a great price.

Edit: Slight error. Mistook this for the SATA2, 320GB drive can't delete it apparently :P

This review was modfied by poster @ 12-19-07 11:26 AM

Experience: 10 Days


Fast, big and quiet
Cons Vista x64 doesn't seem to support S.M.A.R.T. ... or is it just me? Oh well.


Very fast (much faster than a lot of drives according to 3 different tools I used). No noise (thanks Antec Sonata!) but too bad I can't use S.M.A.R.T. from Vista 64...

This review was modfied by poster @ 11-10-07 06:18 PM

Experience: 2 Weeks

Verified OwnerVerified Owner


5 years warranty is always a plus
Solid performance (HDTach gives 67.2 MB/s average, 15.0 ms)
It does not seem to be getting hot
Quiet operation
Cons Not the best when it comes to bytes/dollar. But I decided that 320gb is enough capacity for me.


Great drive at affordable price. Overall, very satisfied. Now i just cross finger that it would not fail. Hard drives (any brand) tend to fail without warning. It could be very frustrating. So I still need to backup the most important files on DVD regularly.

Half a Hero
Experience: 8 Months


Works well, does what its supposed to very reliable
Cons none


I'd buy again, but for a little more I got a seagate 500 version when the price dropped on them. You cant go wrong.

Experience: 2 Years


Good Solid Drive
Cons Nothing in particular, one failed on me, but the warranty covered it. All drives can fail so this isn't really a weakness.


Good drive, cant really say anything too bad about it other than the fact my old one failed one me. Not really making it a bad drive, but things happen. Overall worth the purchase especially for the price you get.

Experience: 6 Months


Good Price for GB
Cons Wish i had got SATA


Boot's fairly fast
Large Size
It runs all my games smoothly and transfers large files with decent speed
It does get a little bit noisy when full.

Experience: 2 Weeks

Verified OwnerVerified Owner


Quiet and fast.
Good capacity for the price.
Cons No documentation, disc or box included.


I bought this as a replacement for a Wester Digital 120GB drive which failed after 2 years. As soon as I installed windows on it, I checked it using SeaTools and found one bad sector, which was easily repaired. Other then that, I haven't had a problem since. This as an affordable and fast drive for those of us still using IDE.

Experience: 1 Years


fairly good speed, 320 gig is enough room for now.
Cons makes some clunking noise now and then.


At first it was really quiet but noticed over time it started to clunk a bit... not sure why.... hope it doesn't die. Other then my paranoia its pretty good.

NCIX Forum Messages

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Please note that Forums is not a sales or product support board. For sales or specific product related questions, please send message to receive the fastest response.

Messages about Seagate Barracuda 7200.10 320GB ATA100 7200RPM 16MB Cache Hard Drive OEM

Compatible with my emachine C2825? (Kevin_S- Apr 27, 08, 1 Replies) Read this message
problems installing this (Daniel_H- Nov 22, 07, 13 Replies) Read this message
Will fit IDE case? (BCbudinTO- Jun 05, 07, 2 Replies) Read this message
Installing 320 gig drive on SL-75FRN2 (Thomas_B- May 29, 07, 13 Replies) Read this message
ATA100 vs SATA2 ? (Guillaume_F- May 09, 07, 4 Replies) Read this message
awesome (E-Man- May 03, 07, 0 Replies) Read this message
work on Mac? (Jennifer_C- Apr 30, 07, 3 Replies) Read this message
SATA cables (Abhishek_R- Apr 20, 07, 2 Replies) Read this message
Use in External USB Enc. w/ Mac (John_F- Apr 16, 07, 1 Replies) Read this message
This drive is faulty (Marcin_C- Apr 14, 07, 10 Replies) Read this message
Someone please help. (Kevin_S- Apr 06, 07, 41 Replies) Read this message
Someone please help. (Kevin_S- Apr 06, 07, 4 Replies) Read this message
Reported Size (David G- Mar 25, 07, 7 Replies) Read this message
Cannot access this drive (Randy_R- Mar 17, 07, 3 Replies) Read this message
Hard Drive not so healthy (Ben_K- Mar 02, 07, 4 Replies) Read this message

Post a New Message  |    All Messages       Browse NCIX Forums

Forum messages are not reviewed and may not contain accurate information about a product. Message contents are opinions from customers based on their own experience with a product. We do not recommend you make puchasing decisions based on Forum messages.

Reviews from the Web

Below are reviews found on other web sites for this product submitted by customers.

Comment: SINCE THE FIRST TIME "Get Perpendicular" got stuck in our heads, we've anxiously anticipated the arrival of perpendicular recording technology. The wait has been long, especially on the desktop, but perpendicular recording has finally arrived in Seagate's Barracuda 7200.10 hard drive.
Posted by: chaos1105 @06/19/06
Submit a review link   |   Latest 30 reviews

Product Warranty

First 30 days limited warranty through The remainder of the two year warranty is provided directly by the manufacturer.

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All pricing subject to change. For all prices, products and offers, reserves the right to make adjustments due to changing market conditions, product discontinuation, manufacturer price changes, errors in advertisements and other extenuating circumstances. Promotional offers from are subject to availability and are available only while supplies last. No rain checks will be issued on promotional items and offers.

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NON-DEFECTIVE merchandise returns may be accepted on some items ONLY within 15 days of the Invoice date, at's discretion. Laptops and Notebooks can be returned within SEVEN (7) days from original invoice date. Return will only be accepted with original packaging, accessories, cables, free gifts (if applicable), unopened software and manuals and is subject to inspection before warranty approval. Laptop and notebook with tampered serial numbers or UPC code will be denied returns.

GOVERNMENT & BUSINESS Laptop and Notebook purchases made with government or business POs can be returned typically within fourteen (14) days from original invoice date. Return will only be accepted with original packaging, accessories, cables, free gifts (if applicable), unopened software and manuals and is subject to inspection before warranty approval. Laptop and notebook with tampered serial numbers or UPC code will be denied returns. Please check with your B2B sales representative for specific terms and details.

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Defective software, video games or DVDs will be replaced by the SAME title and format ONLY (and subject to current availability) within 30 days of the Invoice date. Software, Drones, video games and DVDs may be returned within 30 days only if the item is UNOPENED (with shrink wrap still intact) at the sole discretion of does NOT apply a surcharge to credit card orders. Please read our RMA & warranty policy and terms & conditions for more information. If you have any questions regarding our sales and warranty policies, please send us a message -- we'll be glad to answer any of your questions.

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