Seagate logo MPN: ST18000NM001J

Seagate Exos X18 internal hard drive 18 TB 7200 RPM 256 MB 3.5″ Serial ATA III

Seagate
Released: Not on record
$894.45
Amazon.com (US)
Updated 2 months ago · USD pricing from verified retailers · Excl. sales tax
View price history ↓
5.0 / 5 (3 ratings)
View reviews breakdown
Capacity
18 TB
Interface
Serial ATA III
Type
HDD
Depth
147 mm
Width
101.85 mm
Height
26.1 mm
Weight
670 g
Drive form factor
3.5
Spindle speed
7200 rpm
View 27 specifications

Overview

The Seagate Exos X18 internal hard drive 18 TB 7200 RPM 256 MB 3.5″ Serial ATA III features a 18 TB hard drive. Full verified specifications are listed below.

Compatibility

Interface Serial ATA III

Compatibility data is automatically generated. Always verify critical specs before purchase.

Technical Specifications

Showing 27 key specifications of 27

All values come from this product’s catalog record.
Capacity
18 TB
Interface
Serial ATA III
Type
HDD
Depth
147 mm
Width
101.85 mm
Height
26.1 mm
Weight
670 g
Drive form factor
3.5
Spindle speed
7200 rpm
Intended use
Server/Workstation
24/7 operation
Yes
Average latency
4.16
Operating shock resistance
50
Operating voltage
5 / 12
Non-operating shock resistance
200
Operating vibration tolerance
2.27
Power draw (idle)
5.3
Power draw (reading)
9.4 W
HDD average transfer rate
270
Power draw (writing)
6.4 W
Drive cache
256 MB
HDD interface transfer rate
6
HDD sustained transfer rate
258
Operating temperature
5 - 60
MTBF
2500000
Rotational Vibration (RV) sensors
Yes
Customs (HS) code
84717050

Market Value History

Price history table
DatePrice
2024-03-11$279.99
2024-03-23$330.34
2024-03-25$336.97
2024-04-04$374.21
2024-04-08$367.43
2024-05-13$375.50
2024-05-20$369.46
2024-05-29$443.93
2024-06-05$219.99
2024-06-15$443.93
2024-06-17$451.99
2024-06-24$422.11
2024-07-12$425.99
2024-07-15$415.51
2024-07-23$416.49
2024-08-06$421.39
2024-08-27$439.79
2024-09-02$432.45
2024-09-09$412.00
2024-09-19$412.00
2024-09-27$389.00
2024-09-30$382.83
2024-10-10$384.35
2024-10-14$379.79
2024-11-30$416.00
2024-12-03$423.00
2025-01-08$443.33
2025-01-13$414.43
2025-02-21$470.38
2025-02-25$666.73
2025-03-04$470.66
2025-03-11$491.17
2025-03-18$474.29
2025-03-24$471.83
2025-04-01$706.87
2025-07-02$455.00
2025-07-26$455.71
2025-07-29$455.00
2025-08-13$451.76
2025-08-20$451.43
2025-09-17$451.00
2025-09-22$459.30
2025-10-04$455.66
2025-10-06$455.00
2025-10-14$618.88
2025-11-01$459.30
2025-11-04$455.00
2025-11-14$445.68
2025-11-20$445.00
2025-12-24$640.73
2026-01-12$640.73
2026-01-21$499.00
2026-02-03$499.00
2026-03-04$469.99
2026-03-31$699.45
2026-06-17$784.45
2026-06-24$814.45
2026-08-02$834.45
2026-08-06$499.00
2026-08-17$894.45

Customer Reviews & Feedback

Verified Amazon Score
5.0 / 5.0

Based on 3 verified customer reviews on Amazon US.

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
1%

Review Verification

Hardware Quest synchronizes these ratings daily with Amazon to reflect real buyer experiences, build quality, and long-term reliability.

Sources

Product lifecycle

Catalog: on-market

The current catalog record marks this product as on-market; this is not independent manufacturer confirmation.

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