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Seagate

Seagate Expansion 2TB Portable HDD

Seagate Expansion 2TB Portable HDD
seagate-expansion2TBUSB 3.0Portable-External
$81.50/TB
$162.99
newIn Stock
This offer: sold by Platinum Micro, Inc. ยท Amazon says New / Unknown
Price updated
Price accurate as of Nov 3, 2026, 12:19 AM
Buy on Amazon

The Seagate Expansion 2TB Portable HDD is a 2TB USB 3.0 External-HDD in new condition. It is in stock at $162.99 - $81.50/TB.

Same capacity, other options
DriveInterfaceCond$/TBPrice
WD Elements 2TB Portable HDDUSBRefurb$65.00$130.00Buy on Amazon
WD My Passport 2TB Portable HDDUSB 3.1Refurb$70.44$140.89Buy on Amazon
WD Elements 2TB Portable HDDUSB 3.0New$75.00$149.99Buy on Amazon
WD Elements 2TB Portable HDDUSB 3.0 Refurb$77.50$154.99Buy on Amazon

All 2TB drives we track, ranked by cost per terabyte.

Model context

Part of the Seagate line we track.

Quick Verdict

The Seagate Expansion 2TB Portable HDD is a 2TB USB 3.0 enterprise drive at $81.50/TB - Verify recording technology before use in RAID. New unit with full manufacturer warranty.

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Specifications

Capacity2TB
Form FactorPortable-External
InterfaceUSB 3.0
Recording Techโ€”
Sector Sizeโ€”
Workload Ratingโ€”
Warrantyโ€”
ASINB08ZJG6TVT
Market context

Against every other drive we have an in-stock price for today, this one is cheaper per tb than 11% of them (7 of 62). The cheapest we can currently buy is $28.33/TB; the middle of the market is $48.28/TB.

Where the wider market has moved

These are third-party figures about the retail market as a whole, quoted and dated. They are not our own measurements and they do not describe this specific drive.

Compare against every 2TB drive we track โ†’Cheapest per terabyte, all categories โ†’
How it compares - 2TB USB 3.0
#1WD Elements 2TB Portable HDD
$75.00/TB
#2Seagate Expansion 2TB Portable HDDTHIS DRIVE
$81.50/TB
#3Seagate One Touch 2TB Portable HDD
$129.17/TB

Also appears in

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Frequently Asked Questions

Yes. At our last check it was $162.99 ($81.50 per terabyte at its 2TB capacity), sold new under ASIN B08ZJG6TVT. Amazon sets the final price at checkout.

This listing (Seagate Expansion 2TB Portable HDD, ASIN B08ZJG6TVT) carries no renewed, recertified, refurbished or pulled claim in its title, and Amazon reports it as new. On this site that is what "new" means: sold as factory-new.

Use Case Scenarios

๐Ÿ 
Home & SMB NAS
Building a mid-range NAS for media, backups and file sharing.
~ Good fit
Verify CMR recording before using in RAID. New drives come with full warranty.
๐Ÿ’พ
Backup Server / Veeam Target
Dedicated backup storage for Veeam, Commvault, or NetBackup.
โœ“ Excellent fit
2TB SATA drives are ideal for backup targets. SATA gives maximum $/TB for backup repositories.
๐Ÿ—๏ธ
Virtualization Host Storage
VM images and snapshots on Proxmox, VMware or Hyper-V.
~ Good fit
Suitable for VM storage where workloads are not IOPS-intensive. SATA is fine for single-host VM storage. Consider NVMe cache for latency-sensitive VMs.

Maintenance & Troubleshooting

Maintenance Checklist

On installCheck SMART baseline on arrival
Run smartctl -a /dev/sdX and record: Reallocated_Sector_Ct, Power_On_Hours, Spin_Retry_Count. Establishes baseline for future comparison.
MonthlyRun SMART short self-test
smartctl -t short /dev/sdX โ€” takes 1-2 minutes, catches most developing issues. Schedule during off-peak.
QuarterlyRun SMART long self-test
smartctl -t long /dev/sdX โ€” full surface scan, takes 1 hours for 2TB. Any test failure is grounds for immediate replacement.
QuarterlyCheck RAID array health
Verify no degraded drives. A degraded array with no hot spare is one failure from data loss. Check mdstat or controller UI.
AnnuallyVerify drive firmware version
Check Seagate support site for firmware updates. Some versions have known bugs affecting integrity.
Every 3-5 yearsPlan proactive replacement
Enterprise HDDs have higher failure rates after year 4-5. At 2TB per drive, budget for replacements before failures occur.

Troubleshooting Guide

Cause: Loose SATA data or power cable, failed port, or drive not spinning up.
Fix: Reseat both cables. Try a different port. Listen for spin-up sound. Test with a known-good cable.