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Consumer HDDs

Consumer hard drives from CSSi South Africa cover desktop storage, gaming rig capacity tiers and home NAS bays at sharp ZAR pricing. As an authorised distributor for Western Digital, Seagate and Toshiba, CSSi stocks 3.5" SATA drives from 1 TB to 24 TB, with options optimised for desktop, NAS and surveillance use. Backed by 26 years of storage expertise, a best-price guarantee and Africa-wide delivery from Johannesburg, Cape Town and Durban.

Buyer’s guide

Consumer HDDs use SATA 6 Gb/s and the 3.5" form factor. Choose by intended workload: desktop drives (WD Blue, Seagate BarraCuda) for general PC use; NAS drives (WD Red, Seagate IronWolf, Toshiba N300) for multi-bay enclosures with rotational vibration tolerance; surveillance drives (WD Purple, Seagate SkyHawk) for 24/7 NVR write streams. Higher capacity drives use CMR or SMR recording — CMR is preferred for any RAID, NAS or sustained-write role.

Use cases

Desktop file storage, gaming libraries, home media servers (Plex, Jellyfin), small-business file shares, home and SMB NAS units up to 8 bays, and entry-level CCTV NVRs. For multi-bay NAS, surveillance and 24/7 duty, see our Enterprise HDDs range. Pair with External Drives for offsite backup rotation.

Why buy from CSSi

Authorised-channel stock with full manufacturer warranty, ZAR invoicing, nationwide delivery, channel rates for resellers, and the safety net of CSSi’s ISO Class-100 recovery lab should a drive ever fail.

Frequently Asked Questions

What is the difference between CMR and SMR drives?

CMR (Conventional Magnetic Recording) writes tracks without overlap, delivering consistent performance suitable for RAID and NAS. SMR (Shingled) overlaps tracks for higher density but slows down under sustained writes — avoid SMR in RAID arrays.

Can I use a consumer HDD in a NAS?

In single or dual-bay home units, yes. For 4-bay and larger NAS or anything running 24/7, choose NAS-rated drives (WD Red, IronWolf, N300) for vibration tolerance and firmware tuned for array workloads.

What warranty applies?

Typically 2 or 3 years manufacturer warranty depending on series. NAS and surveillance models often carry longer warranties than general desktop drives. CSSi handles RMA for South African customers.

Synology HAT3300-6T NAS 6TB SATA 3.5 HDD internal hard drive 5400 RPM 3.5 Serial ATA
✅ In Stock
Brand: SYNOLOGY Stock: In Stock
Warnings: Do not expose to high temperatures or moisture. | Warnings: Do not open or disassemble. | Warnings: Do not drop and avoid strong impacts. | ..
R7,161
incl. VAT:R8,235
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Synology HAT3310-12T internal hard drive 3.5 12 TB Serial ATA Synology HAT3310-12T internal hard drive 3.5 12 TB Serial ATA
✅ In Stock
Brand: SYNOLOGY Stock: In Stock
Certification: CE, RCM, BSMI, KC, UKCA, UL, TUV, ICES, RoHS | HDD speed: 7200 RPM | Weight: 720 g | Component for: NAS | Type: HDD | Width: 101.8 mm |..
R11,968
incl. VAT:R13,764
Add to Cart
Synology HAT3310-16T internal hard drive 3.5 16 TB Serial ATA Synology HAT3310-16T internal hard drive 3.5 16 TB Serial ATA
✅ In Stock
Brand: SYNOLOGY Stock: In Stock
Certification: CE, RCM, BSMI, KC, UKCA, UL, TUV, ICES, RoHS | Power consumption (write): 8.41 W | HDD interface transfer rate: 6 Gbit/s | Weight: 720 ..
R13,976
incl. VAT:R16,073
Add to Cart
SYNOLOGY HAT3320-8T 3.5 SATA hard drive of NAS quality designed for J Value and Plus units 8TB Enhanced compatibility and management SYNOLOGY HAT3320-8T 3.5 SATA hard drive of NAS quality designed for J Value and Plus units 8TB Enhanced compatibility and management
✅ In Stock
Brand: SYNOLOGY Stock: In Stock
The Synology Plus Series HAT3320-8T is an internal hard drive designed for reliability and efficiency. With a substantial capacity of 8 TB, this hard ..
R9,410
incl. VAT:R10,821
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Synology HAT3320-8T internal hard drive 8 TB 7200 RPM 3.5 Serial ATA III Synology HAT3320-8T internal hard drive 8 TB 7200 RPM 3.5 Serial ATA III
✅ In Stock
Brand: SYNOLOGY Stock: In Stock
HDD speed: 7200 RPM | 24/7 operation: Yes | Power consumption (read): 9.07 W | HDD interface transfer rate: 6 Gbit/s | Component for: NAS | Power cons..
R9,821
incl. VAT:R11,295
Add to Cart
SYNOLOGY HAT5300 12TB SATA HDD SYNOLOGY HAT5300 12TB SATA HDD
✅ In Stock
Brand: SYNOLOGY Stock: In Stock
Synology HAT5300 is designed to tackle demanding, high-volume workloads. Optimized specifically for Synology storage solutions, its design enables hig..
R14,738
incl. VAT:R16,949
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Synology HAT5300 HDD 16TB Internal 3.5 Inch SATA 6Gb/s 7200 Rpm
✅ In Stock
Brand: SYNOLOGY Stock: In Stock
R26,955
incl. VAT:R30,999
Add to Cart
Brand: SYNOLOGY Stock: In Stock
The Synology HAT5310 internal hard drive offers reliability and performance for storage solutions. With a 3.5" form factor and a Serial ATA-600 interf..
R20,675
incl. VAT:R23,776
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SYNOLOGY HAT5320-24T High-performance enterprise-quality hard drive NAS 24TB 3.5inch SATA High endurance and performance
✅ In Stock
Brand: SYNOLOGY Stock: In Stock
The Synology HAT5320 is designed for reliable performance with a capacity of 8 TB, making it suitable for data-intensive applications. This internal h..
R24,237
incl. VAT:R27,872
Add to Cart
SYNOLOGY HAT5320-8T 8TB SATA HDD SYNOLOGY HAT5320-8T 8TB SATA HDD
✅ In Stock
Brand: SYNOLOGY Stock: In Stock
The Synology HAT5320 is designed for reliable performance with a capacity of 8 TB, making it suitable for data-intensive applications. This internal h..
R12,363
incl. VAT:R14,218
Add to Cart
Synology HDD HAT5310-8T 8TB SATA HDD
✅ In Stock
Brand: SYNOLOGY Stock: In Stock
R25,575
incl. VAT:R29,412
Add to Cart
Synology HDD HAT5320-4T 4TB SATA HDD Hard Drive Serial ATA
✅ In Stock
Brand: SYNOLOGY Stock: In Stock
R10,522
incl. VAT:R12,100
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