StoreDeal.ai store
Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • Use in AI assistants
  • Contact
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.·2222 Ponce de Leon Blvd, Miami, FL 33134·support@deal.ai
TermsPrivacy
Deal.ai
763649054475
Seagate ST300MX0032 Enterprise Performance 15K.5 300GB 15000RPM SAS 12Gb/s 128MB Cache 32GB SSD TurboBoost (4Kn) 2.5-Inch Internal Hybrid Hard Drive
763649054475

Seagate ST300MX0032 Enterprise Performance 15K.5 300GB 15000RPM SAS 12Gb/s 128MB Cache 32GB SSD TurboBoost (4Kn) 2.5-Inch Internal Hybrid Hard Drive

Best price now

$199.00at AmazonChecked Nov 11

Compared across 2 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. As an Amazon Associate, Deal.ai earns from qualifying purchases.

Visit Amazon

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

Price facts

  • Last seen at $199.00 at Amazon on Nov 11.
  • Checked at 2 stores.

Our take on the Seagate ST300MX0032 Enterprise Performance 15K.5 300GB 15000RPM SAS 12Gb/s 128MB Cache 32GB SSD TurboBoost (4Kn) 2.5-Inch Internal Hybrid Hard Drive

The Seagate Enterprise Performance 15K.5 is a 2.5-inch enterprise hybrid drive: a 15,000 RPM spinning disk with 300GB capacity, a 128MB cache and 32GB of SSD cache layered on top, on a 12Gb/s SAS interface. It is built for servers and storage arrays that need fast random access to hot data, not for laptops or desktops. Its 15K spindle speed and TurboBoost SSD cache give it lower latency than 10K enterprise drives and far more capacity per bay than a pure SSD of the era. Buyers should know it is a legacy enterprise part: 300GB is small, it runs hot and loud, and it needs a SAS controller, not a standard SATA port.

Best forServer and SAN upgrades that need a drop-in 2.5-inch SAS driveDatabase and transaction workloads with hot random readsReplacing failed 15K drives in older enterprise arraysBuyers who need SAS dual-port redundancy
Pros
  • 15,000 RPM spindle for low seek and rotational latency
  • 32GB SSD cache (TurboBoost) speeds repeated random reads
  • 12Gb/s SAS interface with dual-port support
  • 128MB cache, large for a 15K drive
  • 2.5-inch form factor fits dense server bays
Cons
  • Only 300GB of capacity
  • Runs hot and draws more power than 10K or SSD alternatives
  • Audible whine typical of 15K spindles
  • Requires a SAS controller; will not plug into SATA
  • 4Kn sector format may not suit older arrays

Seagate ST300MX0032 Enterprise Performance 15K.5 300GB 15000RPM SAS 12Gb/s 128MB Cache 32GB SSD TurboBoost (4Kn) 2.5-Inch Internal Hybrid Hard Drive prices at every store

  • GotodirectNew

    In stock

    $359.12Checked Nov 11
    Visit Gotodirect
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $199.00Free shippingChecked Nov 11
    Visit Amazon

Store links may earn us a commission.

Seagate ST300MX0032 Enterprise Performance 15K.5 300GB 15000RPM SAS 12Gb/s 128MB Cache 32GB SSD TurboBoost (4Kn) 2.5-Inch Internal Hybrid Hard Drive price history

Lowest price we've seen: $199.00 on Nov 11 at Amazon. Tracked across 1 store since Nov 11.

About the Seagate ST300MX0032 Enterprise Performance 15K.5 300GB 15000RPM SAS 12Gb/s 128MB Cache 32GB SSD TurboBoost (4Kn) 2.5-Inch Internal Hybrid Hard Drive

The Seagate Enterprise Performance 15K.5 is a 300GB internal hybrid hard drive in the 2.5-inch form factor. It spins at 15,000 RPM and connects over a SAS 12Gb/s interface.

It has a 128MB cache and a 32GB SSD with TurboBoost. It uses 4Kn sector formatting.

Model
ST300MX0032
Series
Enterprise Performance 15K.5
Capacity
300GB
Rotational speed
15,000 RPM
Interface
SAS 12Gb/s
Cache
128MB
SSD
32GB with TurboBoost
Sector format
4Kn
Form factor
2.5-inch internal
Drive type
Hybrid hard drive

Questions and answers

Will this work in a regular desktop PC?
No. It uses a SAS interface, which needs a SAS host bus adapter or backplane. A standard SATA port will not accept it.
What does the 32GB SSD TurboBoost do?
It acts as a cache in front of the spinning disk, holding frequently read data so repeated random reads are served from flash instead of the platters.
Is 300GB enough for a server?
Only for boot volumes, small databases or cache tiers. For bulk storage, higher-capacity nearline SAS or SATA drives make more sense.
What is 4Kn and does it matter?
4Kn means 4,096-byte native sectors. Modern SAS controllers and operating systems handle it, but some older arrays and tools expect 512-byte sectors.
How does it compare with a 10K SAS drive?
It spins faster, so it has lower latency and better random I/O, at the cost of more heat, more power and more noise. A SATA SSD beats both on random access.
Is it louder than other server drives?
Yes. 15,000 RPM drives produce a high-pitched whine that is noticeable in a quiet room, though it is normal in a server chassis.
Where is the Seagate ST300MX0032 Enterprise Performance 15K.5 300GB 15000RPM SAS 12Gb/s 128MB Cache 32GB SSD TurboBoost (4Kn) 2.5-Inch Internal Hybrid Hard Drive cheapest?
At Amazon, for $199.00, as of our latest check.
Where can I buy the Seagate ST300MX0032 Enterprise Performance 15K.5 300GB 15000RPM SAS 12Gb/s 128MB Cache 32GB SSD TurboBoost (4Kn) 2.5-Inch Internal Hybrid Hard Drive?
2 stores we checked sell it, including Gotodirect, Amazon.

More internal hard drives

  • S
    Samsung Spinpoint F3R 1TB 7200RPM SATA 3Gb/s 32MB Cache 3.5-Inch Internal Hard Drive
    Samsung Spinpoint F3R 1TB 7200RPM SATA 3Gb/s 32MB Cache 3.5-Inch Internal Hard Drive
  • S
    Seagate ST1000NX0323 Enterprise Capacity V.3 1TB 7200RPM SAS 12Gb/s 128MB Cache (4Kn) 2.5-Inch Hard Drive
    Seagate ST1000NX0323 Enterprise Capacity V.3 1TB 7200RPM SAS 12Gb/s 128MB Cache (4Kn) 2.5-Inch Hard Drive
  • S
    Seagate ST1000NX0363 Enterprise Capacity V.3 1TB 7200RPM SAS 12Gb/s 128MB Cache (4kn) (SED) 2.5-Inch Hard Drive
    Seagate ST1000NX0363 Enterprise Capacity V.3 1TB 7200RPM SAS 12Gb/s 128MB Cache (4kn) (SED) 2.5-Inch Hard Drive
  • S
    Seagate ST1000NX0453 1TB SAS 7200RPM 12Gb/s 2.5-inch Hard Drive
    Seagate ST1000NX0453 1TB SAS 7200RPM 12Gb/s 2.5-inch Hard Drive
  • I
    IBM 81Y9806 1TB 7200RPM SATA 6Gb/s 3.5-Inch Hard Drive
IBM 81Y9806 1TB 7200RPM SATA 6Gb/s 3.5-Inch Hard Drive
  • I
    IBM 00Y2434 1TB 7200RPM SAS 6Gb/s 2.5-Inch Hard Drive
    IBM 00Y2434 1TB 7200RPM SAS 6Gb/s 2.5-Inch Hard Drive
  • I
    IBM 81Y3867 1TB 7200RPM SATA 6Gb/s 3.5-Inch Hard Drive
    IBM 81Y3867 1TB 7200RPM SATA 6Gb/s 3.5-Inch Hard Drive
  • D
    Dell 400-APYM 1TB 7200RPM SATA 6Gb/s 3.5-Inch Hard Drive
    Dell 400-APYM 1TB 7200RPM SATA 6Gb/s 3.5-Inch Hard Drive