DatacenterDisk

Seagate IronWolf vs Toshiba MG

Side-by-side spec and price comparison. Live data from Amazon US.

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Our Recommendation
👑
Toshiba MG Series 8TB Enterprise SATA

Toshiba MG Series 8TB Enterprise SATA wins on both price ($15.38/TB) and warranty (5 years).

Best $/TB: Toshiba
Best Warranty: Toshiba
Best for RAID: Toshiba
Full Specification Comparison
Spec
Seagate
IronWolf 8TB NAS
$49.36/TB
Toshiba
MG Series 8TB Enterprise SATA
$15.38/TB
Brand
Seagate
Toshiba
Model
IronWolf 8TB NAS
MG Series 8TB Enterprise SATA
Series
IronWolf
MG Series
Part Number
ST8000VN0022
MG05ACA800E
$/TB
$49.36
👑$15.38
Price
$394.91
$123.00
Condition
New
New
Capacity
8TB
8TB
Interface
SATA-6G
SATA-6G
Form Factor
3.5"
3.5"
Drive Type
HDD
HDD
Recording Tech
CMR
CMR
RPM
7,200
7,200
Cache
256MB
128MB
Sector Size
512e
512e
Workload Rating
180TB/yr
👑550TB/yr
DWPD
N/A
N/A
Warranty
3 years
👑5 years
Workload Tier
nearline
nearline
In Stock
✓ In Stock
✓ In Stock
Buy
Buy on Amazon →
Buy on Amazon →
Workload Fit
Workload
Seagate
Toshiba
NAS Storage
●●●
●●●
Backup Target
●●●
●●●
OLTP Database
●
●
Cold Archive
●●
●●
Virtualization
●
●
AI/ML Storage
●
●
Buying Recommendation
Choose Seagate IronWolf 8TB NAS if:
  • ✓ You need new-with-warranty for compliance or budgeting
Buy Seagate →
Choose Toshiba MG Series 8TB Enterprise SATA if:
  • ✓ You need maximum storage per dollar
  • ✓ You need 5-year warranty coverage for production
  • ✓ You're building a RAID array and need guaranteed CMR compatibility
  • ✓ Your server runs 24/7 under heavy sustained load
Buy Toshiba →

Frequently Asked Questions

Toshiba MG offers better value at $15.38/TB vs $49.36/TB - a 69% price difference. Factor in warranty length and workload rating when the price gap is small.

Mixing drives of different models in RAID is not recommended even if capacities match. Different firmware, error handling and seek patterns can cause rebuild issues. Use identical drives within the same RAID group for reliable operation.

Toshiba MG carries a longer 5-year warranty vs 3 years for Seagate IronWolf. Both are enterprise-grade drives built for 24/7 operation.

Seagate IronWolf is the better fit for NAS storage. It uses CMR recording which is safe for all RAID levels. SATA interface is compatible with all NAS platforms including Synology, QNAP and TrueNAS.