what is the cache size?

It depends on exactly what model you have. Mind is a ST4000NE001 that spins at 7200rpm and has a 256MB Cache. Other models spin at 5400 rom and have 64 MB Cache,

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Seagate IronWolf Pro, 20TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6GB/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001)

Seagate IronWolf Pro, 20TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6GB/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001)

Product ID: 287128927

Details

Brand
Seagate
Colour
HDD
Compatible devices
Storage System
Connectivity technology
SATA
Digital storage capacity
4 TB
Hard disk description
Mechanical

⚡7200 RPM high-speed rotation

💾20TB massive capacity

🔗SATA 6Gb/s ultra-fast interface

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Description

💼 Power your professional NAS with IronWolf Pro — where speed meets reliability.

7200 RPM PERFORMANCE - Experience lightning-fast data access and seamless multitasking.
MASSIVE 20 TB STORAGE - Store your entire digital empire without compromise.
ENTERPRISE GRADE DURABILITY - Built to thrive in multi-user NAS environments, ensuring your data stays safe and accessible.
ROTATIONAL VIBRATION SENSORS - Minimize lag and downtime with smart vibration protection.
AGILE ARRAY NAS OPTIMIZED FIRMWARE - Engineered for rock-solid RAID reliability under heavy workloads.

The Seagate IronWolf Pro 20TB is a 3.5-inch enterprise-grade internal hard drive designed specifically for NAS systems. Featuring a SATA 6Gb/s interface, 7200 RPM rotational speed, and 256MB cache, it delivers high performance and reliability. Its AgileArray firmware and built-in vibration sensors optimize RAID environments, making it ideal for heavy multi-user workloads and ensuring consistent uptime for professional storage solutions.

Specifications

ASIN	B07SY4T6F5
Additional Features	Portable
Best Sellers Rank	#1,650 in Computers ( See Top 100 in Computers ) #2 in Internal Hard Drives
Brand	Seagate
Built-In Media	Hard Drive
Cache Memory Installed Size	128
Color	HDD
Compatible Devices	Storage System
Connectivity Technology	SATA
Customer Reviews	3.9 3.9 out of 5 stars (2,350)
Data Transfer Rate	6 Gigabits Per Second
Digital Storage Capacity	4 TB
Enclosure Material	Metal
Form Factor	3.5-inch
Global Trade Identification Number	00763649125137, 08719706009881
Hard Disk Description	Mechanical Hard Disk
Hard Disk Form Factor	3.5 Inches
Hard Disk Interface	SATA 6 GB/s
Hard Disk Rotational Speed	7200 RPM
Hard-Drive Size	20 TB
Hardware Connectivity	SATA 6.0 Gb/s
Hardware Platform	PC
Installation Type	Internal Hard Drive
Item Type Name	Hard Drive
Item Weight	635 g
Manufacturer	Otom Oto Tekstili ve Aksesuarlari San. Tic. Ltd.
Media Speed	120 MB/s
Mfr Part Number	ST4000NE001
Model Name	IronWolf Pro
Model Number	ST4000NE001
Number of Items	1
Read Speed	120 Megabytes Per Second
Specific Uses For Product	Business
UPC	763649125137
Unit Count	1 Count

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16363304₫

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In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

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TrustScore 4.5 | 7,300+ reviews

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