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Item#: N82E16822148711

Seagate Constellation.2 ST9500620NS 500GB 7200 RPM 64MB Cache SATA 6.0Gb/s 2.5" Enterprise-class Internal Hard Drive Bare Drive

  • Maximizes data center footprint with up to 76TB per square foot
  • Highest nearline reliability with an MTBF of 1.4M hours
  • SATA 6Gb/s 7200RPM 64MB Cache 15mm
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  • newegg Robust Performance with a Minimal Footprint The Constellation.2 drive features 6Gb/s SAS with improved data integrity, scalability and fastest data access or SATA 6Gb/s for economical 7200-RPM performance. Industry’s capacity-optimized drive for dense, space-constrained data centers allows you to store twice as much data in the same footprint.
  • newegg Enhanced Reliability The Constellation.2 enterprise drive features a mean-time-between-failures (MTBF) rating of 1.4M hours and an unmatched annualized failure rate (AFR) of 0.62% to deliver the industry’s highest level of reliability for a 24×7 7200-RPM nearline drive.
  • newegg Energy-Saving The Constellation.2 drive operates at fewer than 6.4W on average—the lowest operating power in the industry—saving up to 41% over traditional 3.5-inch drives. It saves up to 54% more energy during slow or idle periods with the enhanced PowerChoice technology feature. Workload Management technology helps systems keep drives cool.
  • newegg Reliable Performance Best-in-class rotational vibration tolerance ensures unrivaled performance in high spindle-density applications, and multi-drive firmware maximizes system availability.
  • newegg Government-grade Self-Encrypting Drive Security Option Available TCG- compliant, Self-Encrypting Drive (SED) security option cuts IT drive retirement expenses while securely protecting data. (Not available in all models or countries. Requires TCG-compliant host or controller support.)

Learn more about the Seagate ST9500620NS

Quick Info


  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years

Customer Reviews of the Seagate ST9500620NS

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  • Mark S.
  • 8/22/2014 4:58:52 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsEnterprise Drive DOA....

Pros: You can't attribute any Pros to a dead on arrival hard drive.

Cons: Well I am a big Seagate fan but this experience has soured me. I don't buy many spinning drives any more, I'm mostly SSD now. So when I go back and order a spinning drive and pay top dollar to get the best and its DOA that is a huge disappointment.

Other Thoughts: Just go SSD if you possibly can....

Did you find this review helpful? Yes No

  • Pete N.
  • 6/22/2014 9:06:14 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

4 out of 5 eggsThick Drive - May not fit laptop

Pros: Good drive

Cons: Physical drive thickness.

Other Thoughts: There are other mentions that is drive is 1/2" thick. Take note because I was not concerned with the issue when I purchased the drive and it did not fit in my laptop.

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  • Matteo G.
  • 11/16/2013 3:52:16 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

5 out of 5 eggsWorth Every Penny

Pros: These drives are rock solid. Doesn't matter where, if it needs a mechanical drive, it gets one of these. They run cool, quiet, and consistent.

Cons: None, although packaging could be better, as another reviewer said.

Other Thoughts: Cheap, as far as enterprise drives go

1 out of 1 people found this review helpful. Did you? Yes No

  • Jason G.
  • 6/29/2013 4:57:30 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

1 out of 5 eggsDoes not work in PS3

Pros: prob fast and packed to gills with chache,

Cons: Doesnt fit in PS3

Other Thoughts: or a Notebook maybe its good but i bought this for a PS3, i Called Seagate,NewEgg,Sony they all said it will fit even after giving them the measurements.

0 out of 2 people found this review helpful. Did you? Yes No

  • William S.
  • 5/9/2013 6:19:26 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsI should know better than to order only one drive.

Pros: It weighs less than a desktop drive.

Cons: DOA. Doesn't even spin up. Not recognized by BIOS - in multiple machines. I expect DOA with cheap drives - this is an enterprise drive to be used in a server.

Other Thoughts: I should know better than to order just one drive. While I've had good luck in the past, it has now run out (I usually buy WD, but this drive got lots of eggs and was at right price point for enterprise drive). This will be RMAd in the morning.

That said, I may be done ordering drives from Newegg. They were kind enough to put the drive in a box, inside bubble wrap, but it was NOT in an anti-static envelope. That would cost a whole penny, but would save the chance of a bad drive and RMA. While I don't know whether it was the issue here, this is the first time I've ever gotten a drive from Newegg that was not in anti-static.... and the first time I've gotten a DOA drive from Newegg. Drive packing has been iffy in the past - this time it's worse.

So instead of completing my new Linux box this weekend, it'll have to wait until sometime next week. Disappointing, even more so because the local competition doesn't stock enterprise-level drives.

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  • George M.
  • 4/13/2013 10:25:42 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsThese drives certainly seem durable ...

Pros: I just can't say enough good about these drives. I really, really like them. The four I purchased back in 2011 are still going strong. I thought I was having problems with one of them and purchased another to replace it, but it turned out the problem was on the controller side and so all five drives are in great shape. I tested the drive in question extensively and could not break it. They run cool, perform fast and are very dependable. I am extremely happy with them after almost two years of heavy workstation usage.

Cons: Certainly none in my case. Cons for some users might be that they don't fit in a notebook or other mobile type device that use notebook drives. Additionally, they cost more than the usual notebook or desktop drives. But they deliver.

Other Thoughts: Until just a few weeks ago I was using these drives with old 3ware 8006-2LP RAID controllers. SATA I, no NCQ, etc. But these drives performed remarkably well in that setting. I have no regrets whatsoever about the drives. Over the last few weeks I have removed the 3ware cards and replaced them with a new IOCREST SY-PCX40009 controller, sold under the Syba brand, with a Silicon Image chipset. Now these drives are unrestrained with SATA II and NCQ support which will give them just about as much bandwidth as a conventional disk drive could ever require. On top of this I am running BtrFS filesystem RAID1 on a Mageia 3 (3.8 Kernel) Linux setup with a Supermicro C2SBX+ motherboard. Other than one minor bug with booting on BtrFS RAID, everything works perfectly. All my filesystems, including /boot and / are BtrFS RAID at this point. I have done repeated filesystem scrubs looking for write errors or data corruption and gotten "0 errors found" on every scrub. So the all hardware appears to be working perfectly. I am VERY satisfied with these drives!

1 out of 1 people found this review helpful. Did you? Yes No

  • Anonymous
  • 6/22/2012 11:27:02 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsSo far so good

Pros: Five year warranty, Fast. Quiet

Cons: Probably not as fast as a 300 gig Velociraptor, but it's 500 gigs.

Too thick to fit in a drive tray intended for laptop drives. A tight squeeze in my Shuttle XH61 mini-ITX case.

Other Thoughts: Paid the extra bucks for durability. It will be a while before I know if it was worth it.

Did you find this review helpful? Yes No

  • SCOTT W.
  • 6/15/2012 5:51:41 AM
  • Tech Level: High
  • Ownership: more than 1 year

5 out of 5 eggsGreat HD

Pros: Fast, cool

Cons: none

Other Thoughts: I agree with EZ, newegg needs to make a specific "Server Class" or "Enterprise" hard drive section in their hard drive listings. This drive belongs there, not under laptop. It's NOT a laptop hard drive.

4 out of 4 people found this review helpful. Did you? Yes No

  • Jason M.
  • 9/27/2011 4:51:33 PM
  • Tech Level: High
  • Ownership: less than 1 day

5 out of 5 eggsHow hard is it?

Pros: How hard is it Newegg, to list these server class drives under the Internal Hard-Drive section?

These are not laptop drives though you insist and have done so for years despite the complaints.

Cons: These are 2.5 in form factor internal hard drives. They don't even fit in 99% of laptops.

Other Thoughts: Just so everyone else knows, I know these are not laptop drives. They are however the drive type I am searching for and I'm tired of Newegg sticking them in the laptop hard drive section.

Please fix this Newegg. I love you but this has gone on long enough.

10 out of 11 people found this review helpful. Did you? Yes No

  • Keith S.
  • 9/24/2011 2:55:04 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsNice Drives, fast and rugged

Pros: Top of the line Seagate drives, fast and rugged. Lot's of fast storage in a compact package. Fit's neatly into most raid storage cages, with high tolerance specifications.

Cons: Fat. These are *not* the 8-10mm thick laptop units, they are every bit of 13mm thick( > 1/2 inch), so if you have a laptop, this is not the drive you want. These are for compact storage arrays.

Other Thoughts: Seagate drives seem to be the most compatible drives on the widest variety of smart controllers and raid systems. I've got some lower capacity constellations that I replaced for space, that have been spinning for a long time flawlessly. Wish I could say the same for the medalist stuff.

4 out of 4 people found this review helpful. Did you? Yes No

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Item#: N82E16822148711
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