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 › Seagate
Seagate
Seagate Cheetah ST3300555 300GB 15000RPM SAS 3GB/s 16MB Cache 3.5-inch Internal Hard Disk Drive

Seagate Cheetah ST3300555 300GB 15000RPM SAS 3GB/s 16MB Cache 3.5-inch Internal Hard Disk Drive

Best price now

$149.58at Tech Network Supply LLCChecked Nov 9

Prices are checked against each store and labelled with when.

Visit Tech Network Supply LLC

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 $149.58 at Tech Network Supply LLC on Nov 9.

Our take on the Seagate Cheetah ST3300555 300GB 15000RPM SAS 3GB/s 16MB Cache 3.5-inch Internal Hard Disk Drive

The Seagate Cheetah ST3300555 is a 3.5-inch enterprise hard drive built for servers and storage arrays, not desktops. It spins at 15,000 RPM and connects over a 3Gb/s SAS interface with a 16MB cache. That combination delivers low latency and fast random access for transactional workloads. It is a legacy part: 300GB is small next to modern SAS and SSD options, and 15K drives are noisy, hot and power-hungry. Buy it to replace a failed drive in an existing array or to keep an older server running, not for new builds.

Best forReplacing a failed drive in a legacy SAS server or arrayKeeping older enterprise hardware runningLatency-sensitive transactional workloads on existing gearBuyers who need an exact ST3300555 match
Pros
  • 15,000 RPM spindle gives very low rotational latency
  • 3Gb/s SAS interface for enterprise controllers and backplanes
  • 16MB cache helps burst and random reads
  • Standard 3.5-inch enterprise form factor
  • Exact model match for like-for-like replacement
Cons
  • Only 300GB of capacity
  • Runs hot and draws more power than modern drives
  • Audible whine typical of 15K RPM motors
  • SAS only, so it will not plug into a SATA-only desktop
  • Legacy part with limited future support

Seagate Cheetah ST3300555 300GB 15000RPM SAS 3GB/s 16MB Cache 3.5-inch Internal Hard Disk Drive prices at every store

  • Tech Network Supply LLCNew

    In stockReturn policy

    $149.58Checked Nov 9
    Visit Tech Network Supply LLC

About the Seagate Cheetah ST3300555 300GB 15000RPM SAS 3GB/s 16MB Cache 3.5-inch Internal Hard Disk Drive

The Seagate Cheetah ST3300555 is a 3.5-inch internal hard disk drive with 300GB of storage. It spins at 15000 RPM and has a 16MB cache.

It connects through a SAS interface with a 3GB/s transfer rate.

Brand
Seagate
Series
Cheetah
Model
ST3300555
Capacity
300GB
Rotation speed
15000 RPM
Interface
SAS 3GB/s
Cache
16MB
Form factor
3.5-inch internal

Questions and answers

Will this work in a regular desktop PC?
Only if the desktop has a SAS controller. The drive uses a SAS interface, not SATA, so a standard SATA port will not work.
Is it a good choice for a new server build?
No. Modern SAS drives and SSDs offer far more capacity and much better performance per watt. This drive makes sense mainly as a replacement in existing hardware.
Why choose 15,000 RPM over 7,200 RPM?
The faster spindle cuts rotational latency and speeds random access, which helps transactional workloads. The trade-offs are more heat, more noise and higher power draw.
What capacity does the ST3300555 offer?
300GB, with a 16MB cache and a 3Gb/s SAS link.
Does it fit a 3.5-inch drive bay?
Yes. It is a 3.5-inch internal drive designed for standard enterprise bays and backplanes.
Where is the Seagate Cheetah ST3300555 300GB 15000RPM SAS 3GB/s 16MB Cache 3.5-inch Internal Hard Disk Drive cheapest?
At Tech Network Supply LLC, for $149.58, as of our latest check.

More from Seagate

  • S
    Seagate BarraCuda 7200.8 ST3300831AS 300GB 7200RPM SATA 1.5Gb/s 8MB Cache 3.5-inch Hard Drive
    Seagate BarraCuda 7200.8 ST3300831AS 300GB 7200RPM SATA 1.5Gb/s 8MB Cache 3.5-inch Hard Drive
  • S
    Seagate 9AG284-625 300GB 7200RPM ATA-100 3.5-inch Hard Drive
    Seagate 9AG284-625 300GB 7200RPM ATA-100 3.5-inch Hard Drive
  • S
    Seagate Barracuda ST3300631A 300 GB 3.5 Internal Hard Drive
    Seagate Barracuda ST3300631A 300 GB 3.5 Internal Hard Drive
  • E
    Expansion Desk 3.5'' 28tb Usb 3.0
    Expansion Desk 3.5'' 28tb Usb 3.0
  • S
    Seagate ST28000NM003K 3,5" Hard Drive
    Seagate ST28000NM003K 3,5" Hard Drive
S
Seagate 9W2813-401 120GB 7200RPM SATA 1.5Gb/s 3.5-inch Hard Drive
Seagate 9W2813-401 120GB 7200RPM SATA 1.5Gb/s 3.5-inch Hard Drive
  • S
    Seagate 9AG284-999 300GB 7200RPM ATA-100 3.5-inch Hard Drive
    Seagate 9AG284-999 300GB 7200RPM ATA-100 3.5-inch Hard Drive
  • S
    Seagate Barracuda 7200.9 ST3300822A 300 GB 3.5 Internal Hard Drive
    Seagate Barracuda 7200.9 ST3300822A 300 GB 3.5 Internal Hard Drive
  • All Seagate deals and products →

    More internal hard drives

    • W
      Western Digital VelociRaptor WD3000GLFS 300 GB 3.5 Internal Hard Drive
      Western Digital VelociRaptor WD3000GLFS 300 GB 3.5 Internal Hard Drive
    • T
      Toshiba N300 Pro 16TB NAS 3.5-Inch Internal Hard Drive HDWG51GUZSVB
      Toshiba N300 Pro 16TB NAS 3.5-Inch Internal Hard Drive HDWG51GUZSVB
    • M
      MaxDigitalData MD14000GSA25672 14TB 7200RPM SATA 6Gb/s 128MB Cache 3.5" Internal Desktop Hard Drive
      MaxDigitalData MD14000GSA25672 14TB 7200RPM SATA 6Gb/s 128MB Cache 3.5" Internal Desktop Hard Drive
    • W
      WD Red Pro 3.5" SATA III Internal NAS Hard Drive 18TB
      WD Red Pro 3.5" SATA III Internal NAS Hard Drive 18TB
    • T
      Toshiba X300 PRO 16TB 3.5-Inch Internal Hard Drive HDWR51GXZSTB
      Toshiba X300 PRO 16TB 3.5-Inch Internal Hard Drive HDWR51GXZSTB
    • S
      Seagate IronWolf Pro ST24000NT002 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
      Seagate IronWolf Pro ST24000NT002 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
    • S
      Seagate IronWolf Pro SATA III 3.5" Internal NAS Hard Drive 24TB 4-Pack
      Seagate IronWolf Pro SATA III 3.5" Internal NAS Hard Drive 24TB 4-Pack
    • 1
      10TB Internal 7200RPM 3.5 ST10000VN0004
      10TB Internal 7200RPM 3.5 ST10000VN0004