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Western Digital Ultrastar DC HC560 0F38785 20TB Data Center HDD 3.5" SATA 6Gb/s 7200rpm 512MB CMR

Μάρκα:
Western Digital
0F38785
€1,417.25
€1,686.53 με Φ.Π.Α.
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Product Code
04:416230
EAN Code
8032976149034
Manufacturer
Western Digital
Quick Specs
Capacity
20 TB
Interface
SATA 6 Gb/s
Speed
7200 RPM
Form Factor
3.5-inch
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WD Ultrastar DC HC560 0F38785 — 20TB Data Center HDD

20 TBSATA 6 Gb/s7200 RPMePMR CMR

The Western Digital Ultrastar DC HC560 0F38785 is a 20 TB data-center-class 3.5-inch SATA hard drive built for heavy 24/7 workloads. Its HelioSeal helium-sealed ePMR CMR platform with OptiNAND and a triple-stage actuator spins at 7200 RPM with a 512 MB cache over SATA 6 Gb/s. Identified by part number 0F38785 (EAN 8032976149034), it is rated for 550 TB/year workloads and a 2.5-million-hour MTBF. Typically in stock with fast delivery across Cyprus.

Compatibility & Setup
This is a bare internal 3.5-inch SATA drive — install it in a free 3.5-inch bay with a SATA data and power connection. It suits servers, RAID controllers and data-centre chassis that support 20 TB SATA drives. No mounting screws, cables or backplane are included, and the drive ships unformatted for initialisation in your host system.

Best For

✓Enterprise and hyperscale data centres
✓Servers and RAID/JBOD arrays
✓24/7 heavy multi-user workloads
✓Backup, archival and content repositories
✓File and object storage solutions
✓Dense multi-bay high-capacity chassis

Key Features

 
ePMR CMR recording
Energy-assisted perpendicular magnetic recording (ePMR) improves write consistency and areal density while keeping standard CMR compatibility — no SMR write penalty.
 
Triple-stage actuator
A triple-stage actuator improves head positioning accuracy at high capacity, boosting performance and reliability under vibration in dense arrays.
 
OptiNAND + ArmorCache
Embedded iNAND flash stores drive metadata for higher density and data protection, while ArmorCache safeguards the write cache during unexpected power loss.
 
Data-center reliability
Rated for 550 TB/year workloads and a 2.5-million-hour MTBF, backed by a 5-year limited warranty for continuous 24/7 duty.

Technical Specifications

Identification
Brand Western Digital
Series Ultrastar DC HC560
Part Number 0F38785
EAN / GTIN 8032976149034
MPN 0F38785
Capacity & Format
Capacity 20 TB
Form Factor 3.5-inch internal
Recording CMR via ePMR — energy-assisted perpendicular magnetic recording
Platform HelioSeal helium-sealed
Sector Format 512e — 512-byte emulated
Interface & Performance
Interface SATA 6 Gb/s
Rotational Speed 7200 RPM
Cache 512 MB
Sustained Transfer Up to 269 MB/s
Enhancements OptiNAND, ArmorCache, triple-stage actuator
Reliability
MTBF 2,500,000 hours
Rated Workload 550 TB/year
Non-recoverable Errors 1 in 10^15 bits read
Load/Unload Cycles 600,000
Warranty 5-year limited
Power & Physical
Read/Write Power ~6.6 W (typical)
Idle Power ~5.5 W (typical)
Dimensions (L×W×H) 147 × 101.85 × 26.1 mm
Weight ~680 g
Operating Temp 5–60 °C

Frequently Asked Questions

Is the HC560 0F38785 SATA or SAS?
This part number (0F38785) is the SATA 6 Gb/s model — it drops into standard SATA ports on servers, NAS and RAID controllers that support 20 TB drives. A separate SAS version exists under a different part number.
Is the HC560 a CMR or SMR drive?
It uses CMR (conventional magnetic recording) with ePMR, so it delivers consistent write performance and full RAID compatibility — unlike SMR drives, which can slow under sustained writes.
Does it work in a NAS or server?
Yes. It is a SATA 6 Gb/s data-centre drive for servers, NAS and RAID arrays. Confirm your system supports 20 TB drives and has a free 3.5-inch bay with a SATA data and power connector.
What do I need to know before buying?
It is a bare internal 3.5-inch SATA drive with no mounting kit or cables, and it ships unformatted for initialisation in your host. Typically in stock with fast delivery across Cyprus.
Singular Expert Insight
The Ultrastar DC HC560 is a proven 20 TB data-centre drive with ePMR, OptiNAND and a triple-stage actuator for dependable 24/7 performance. It is a cost-effective high-capacity option, with the newer HC570 (22 TB) and HC580 (24 TB) available when you need more per bay. Building out an array? Pair it with matching drives from our enterprise/server HDD range. For latency-critical tiers, an enterprise SSD is the complement.

Buyer’s Guide

Buy it if
You need 20 TB of CMR capacity per bay for a server or NAS
You run 24/7 workloads of up to 550 TB/year
You want data-centre reliability and a 5-year warranty
Skip it if
You only need occasional desktop backup — a WD Blue or Red costs less
You need higher capacity — see HC570 22TB / HC580 24TB
You need sub-millisecond latency — choose an enterprise SSD
Also consider
WD Ultrastar DC HC570 22TB for more capacity
WD Gold 20TB as an alternative
Seagate Exos X20 20TB as an alternative

Form Factor
  • 3.5",
  • Internal
Colour
grey
Interface
  • SATA
Technical specifications
Μέγεθος
20TB
Χαρακτηριστικά
Product Code
04:416230
EAN Code
8032976149034
Manufacturer
Western Digital
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