---
created: 2026-04-04T14:43:00
category:
  - "[[Products]]"
type:
maker: "[[Western Digital]]"
model: WD20EARX
rating:
price: 99.99
acquired: 2011-11-10
monthly-uses:
---
### Label Info
- Model: WD20EARX - 00PASB0
- Type: [[SATA]]
- RPM: 5400
- S/N: WCAZAC721879
- Date: 28 Sept 2011

### timeline
- [[2026-04-04]] Note: I've got three of these, but I can only find an Amazon order for one (order#203-6721030-9941150--the earlier order#202-5215396-9390752 was returned/refunded probably because as it had [[11 Ravensbourne Court|11 Ravensbourne Court]] as the address). I don't know which one came from this order, so I've just duplicated the price and acquired dates.
- [[2026-05-14]] now part of the off site zfs pool, in mum's old [[Dell XPS 8920 Desktop PC|dell]].
- [[2026-05-14]] most recent [[2026-05-14 1311 pve-shug9 hdd smart tests|smart data]] and ai summary
	- Status: The "Centenarian" (Monitor Closely)
	- Power-On Hours: 99,869 (~11.4 years).
	- Condition: Remarkable for its age, but at the end of its life.
	- Key Metrics:
	    - Load_Cycle_Count: 439,201 (WD Greens are rated for 300k, so it’s well over).    
	    - Raw_Read_Error_Rate: 1. This is non-zero, indicating very minor read retries.   
	- Note: Running for over 11 years straight is incredible. While it has 0 pending sectors, a drive this old can suffer mechanical failure (motor/bearings) without warning. Do not make this your only copy of critical data.