Internal hard drives · 6TB capacity

6TB hard drive prices in Australia

The cheapest new 6TB hard drive we saw in the week to 2026-10-27 was $449.00 ($74.83 per TB) at Umart on 2026-10-27. Below: the cheapest drive at each retailer, AUD per TB against other sizes, the median price by year since 2015, and the drives behind the figures.

Last observed 2026-10-27 · AUD

65dated prices

21drives

$469.0090-day median

This week

Cheapest 6TB hard drive by retailer

Best buys by AUD/TB →

New drives observed 2026-10-20 to 2026-10-27. AUD, excluding delivery.
Retailer	Drive	Price	Observed
Umart	Western Digital 6TB Purple 3.5in SATAIII Hard Drive Part: WD64PURZ	$449.00 $74.83 per TB	2026-10-27 View dated source ↗

Last 90 days (2026-07-29 to 2026-10-27): low $449.00, median $469.00 across 17 dated prices.

Cost per terabyte

Hard drive sizes compared this week

Cheapest new drive at each size, 2026-10-20 to 2026-10-27. 1 TB = 1,000 GB.
Size	Cheapest drive	Price	AUD per TB
1TB hard drive	Western Digital 1TB Blue 5400RPM 3.5in SATA Hard Drive Umart · 2026-10-27	$155.00	$155.00
2TB hard drive	Western Digital 2TB Blue Pro 7200RPM 3.5in SATA Hard Drive Umart · 2026-10-27	$249.00	$124.50
4TB hard drive	Western Digital 4TB Blue 128MB Cache 5400RPM 3.5in SATA Hard Drive Umart · 2026-10-27	$279.00	$69.75
6TB hard drive	Western Digital 6TB Purple 3.5in SATAIII Hard Drive Umart · 2026-10-27	$449.00	$74.83
8TB hard drive	Seagate BarraCuda 8TB 3.5in SATA HDD, Scorptec · 2026-10-27	$465.00	$58.13
10TB hard drive	Western Digital 10TB Blue 3.5in SATA 7200 RPM Desktop Hard Drive Umart · 2026-10-27	$699.00	$69.90
12TB hard drive	Seagate IronWolf 12TB 7200 RPM 3.5" SATA NAS Internal Hard Drive Shopping Express · 2026-10-27	$829.00	$69.08
16TB hard drive	Seagate 16TB Barracuda 3.5in SATA 3 7200RPM Hard Drive Umart · 2026-10-27	$869.00	$54.31
20TB hard drive	Seagate Barracuda 20TB 7200 RPM 3.5" SATA Desktop Hard Drive Shopping Express · 2026-10-27	$1,039.00	$51.95
24TB hard drive	Seagate Barracuda 24TB 7200 RPM 3.5" SATA Desktop Hard Drive Shopping Express · 2026-10-27	$1,089.00	$45.38
1TB external hard drive	ADATA HV320 1TB USB 3.0 Slim Portable External Hard Drive - Black Mwave · 2026-10-27	$166.95	$166.95
2TB external hard drive	ADATA Rugged Pro HD710 2TB USB 3.0 Portable External Hard Drive Mwave · 2026-10-27	$199.00	$99.50

6TB hard drive price trend by year

Median observed 6TB hard drive price per calendar year, AUD. Dots mark dated prices; we have no prices between them.

Year	Median	Lowest	Median per TB	Prices	Drives
2015	$347.00	$315.00	$57.83	2	2
2016	$394.49	$345.99	$65.75	4	4
2017	$369.00	$319.98	$61.50	4	4
2018	$338.00	$294.99	$56.33	5	5
2019	$269.00	$254.00	$44.83	5	5
2020	$258.00	$248.00	$43.00	3	3
2021	$307.99	$189.00	$51.33	5	5
2022	$271.50	$168.00	$45.25	4	4
2023	$278.95	$198.00	$46.49	4	4
2024	$367.95	$243.95	$61.32	3	3
2025	$257.95	$210.95	$42.99	5	5
2026	$469.00	$283.95	$78.17	21	4

Medians mix brands, interfaces and drive classes within one year. Years without a captured listing are missing, never estimated.

Price histories

6TB hard drives we track

Drive	Last observed price	Date	Prices
WD64PURZ	$449.00 at Umart	2026-10-27	19
WD WD60EZAZ 6TB Blue 3.5" 5400RPM SATA Hard Drive	$210.95 at Mwave	2025-01-18	6
WD WD6003FRYZ 6TB Gold 3.5" SATA 6Gb/s 512e Enterprise Hard Drive	$367.95 at Mwave	2024-03-24	4
WD WD6003FZBX 6TB Black 3.5" 7200RPM SATA3 Hard Drive	$370.95 at Mwave	2023-02-24	5
Seagate ST6000DM003 6TB BarraCuda 3.5" SATA3 Desktop Hard Drive	$225.95 at Mwave	2023-02-24	5
Seagate ST6000DM004 6TB BarraCuda PRO 3.5" SATA3 Desktop Hard Drive	$355.00 at Mwave	2019-02-15	3
WD WD60EZRZ 6TB Blue 3.5” 5400RPM SATA3 Hard Drive	$258.00 at Mwave	2019-02-15	4

Size is the stated capacity; AUD per TB uses 1 TB = 1,000 GB.External, portable and USB drives are excluded here and listed separately. Open-box, refurbished and used offers are excluded. See sources and methodology.