WD WD40EFZZ
Western Digital Red Plus 4TB 3.5' NAS HDD SATA III NAS Hard Drive 5400 RPM
Key facts
- Part number
- WD40EFZZ
- Brand
- WD
- Category
- HDD
- Price
- AUD 379≈ USD 262 Reference price (RRP)
- Availability
- On request — ask for a quote
Overview
Western Digital WD Red Plus 4TB 3.5' NAS HDD SATA III NAS Hard Drive 5400 RPM 128MB Cache 180MB/S 180TB/Year 3Y warranty (WD40EFZZ)
· Supports NAS systems with up to 8 bays
· Supports up to 180TB/year workload rate
· NASware firmware for compatibility
· Built for small or medium business NAS systems in a 24/7 environment
· Thrives in 24/7 Environments
Specifications
Capacity
4TB
Form Factor
3.5-Inch
Connector
SATA
Interface
Transfer Rate
up to 180MB/s
Disk Speed (RPM)
5400 RPM
Recording Technology
CMR
Cache Size
128MB
Warranty
3-Year Limited Warranty
Endurance (TBW)
180TB/Year
Dimensions (L x W x H)
146.99mm x 101.6mm x 26.11mm
Weight
0.55kgs
Model Number
WD40EFZZ
Operating Temperature
0°C to 65°C
Non-Operating Temperature
40°C to 70°C
Certifications
BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL
Reference price history
Recorded reference and list prices over time. Not Prology selling prices.
- Latest
- AUD 379≈ USD 262
- Oct 2026
- Lowest recorded
- AUD 379≈ USD 262
- Highest recorded
- AUD 379≈ USD 262
- Recorded
- 2026
- 1 price point
AUD 379 rrp, recorded
Buy or sell WD WD40EFZZ
Buying WD HDDs
Looking to buy the WD WD40EFZZ or a compatible HDD? Prology supplies new, refurbished and used WD HDDs in Australia and the United States. Send the part number and quantity for a firm price.
Selling WD HDDs
Have a spare or decommissioned WD40EFZZ? Prology buys used and surplus WD HDDs — single units or whole lots — and replies with an offer within 1 business day. Sell your WD40EFZZ.
- What is the WD WD40EFZZ?
- The WD WD40EFZZ is a WD HDD – Western Digital Red Plus 4TB 3.5' NAS HDD SATA III NAS Hard Drive 5400 RPM 128MB Cache.
- How much does the WD WD40EFZZ cost?
- The reference price on record is AUD 379 (Oct 2026). It is a reference figure, not a selling price — ask Prology for a firm quote.
- Where can I buy the WD WD40EFZZ?
- It is not listed on the Prology store yet. Prology sources WD HDDs on request — request a quote and we reply with a firm price and lead time within 1 business day.
- Can I sell a used WD WD40EFZZ?
- Yes. Prology buys used and surplus WD HDDs, including the WD40EFZZ. Get an offer — sell outright or trade in against your next order.
Request a quote for WD40EFZZ
Tell us the quantity and condition you need. Prology replies with a firm price and lead time within 1 business day.