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WD Purple 6TB Surveillance Hard Drive | WD64PURZ | 256MB Cache | SATA 6Gbps Interface | 3.5-inch CMR
Round-the-clock video recording for CCTV setups in Nairobi offices, shops, and residential estates, rated for continuous writes from as many as 64 channels.
Condition: New
Note: price and availability are subject to change without prior notice
WD Purple 6TB Surveillance Hard Drive, model WD64PURZ, with 256MB cache and a SATA 6Gb/s interface, is now available at Mascom International for KSh 28,500. This is a brand new and sealed 3.5-inch CMR drive built for digital video recorders and network video recorders that write footage every hour of every day. The WD Purple 6TB carries a 180TB per year workload rating and supports up to 64 HD camera channels. Mascom International stocks it at Old Mutual Building, First Floor Room 4, Kimathi Street, Nairobi CBD, with delivery to all 47 counties.
Security installers, shop owners, landlords, school administrators, and facility managers across Kenya face the same recurring problem: a desktop hard drive fitted into a DVR fails within a year, and the footage you need on the day of an incident is corrupted or missing. Desktop drives are built to spin for a few hours daily, not 8,760 hours a year. The WD Purple 6TB is rated for exactly that duty cycle, with a workload allowance three times higher than a standard desktop unit. For a Westlands retail floor running eight cameras, or a Thika Road apartment block covering entrances and parking, that difference decides whether footage exists when a claim is filed.
Unlike other electronics retailers in Kenya who stock whatever bulk drive lands cheapest, Mascom International supplies the WD Purple 6TB as sealed Western Digital retail stock with the WD64PURZ model number printed on the label you can read before paying. Installers across Nairobi report far fewer callback jobs after switching clients from desktop drives to WD Purple units. At Mascom International, we're seeing steady demand from CCTV contractors buying in pairs for 16-channel recorders. Walk into our Kimathi Street shop to inspect the drive, or order for pay-on-arrival delivery anywhere in Kenya.
Common Questions About the WD Purple 6TB Surveillance Hard Drive
Is the WD Purple 6TB really different from a normal desktop hard drive?
Yes, and the difference is measurable. The WD Purple 6TB is rated for 180TB of data written per year, roughly three times the allowance of a desktop drive, and for continuous 24/7 operation rather than short daily sessions. It also carries rotational vibration sensors, which desktop drives at this price omit. Those sensors keep the read heads tracking correctly when several drives spin inside one recorder chassis. Firmware handles sustained writing from many cameras instead of the read-heavy pattern a desktop computer produces.
How many days of CCTV footage will 6TB actually store?
Roughly 20 days from eight cameras at typical Kenyan installation settings. The arithmetic: one 1080p camera recording H.265 at 3.2Mbps writes about 35GB per day, so eight cameras consume around 277GB daily against roughly 5,580GB of usable capacity. Four cameras stretch that to about 40 days. Sixteen cameras reduce it to about 10 days. Older H.264 recorders at 4Mbps cut those figures by a quarter. Motion-triggered recording, common in Kenyan shops, extends retention considerably.
How many cameras can the WD64PURZ handle at once?
Western Digital rates the WD64PURZ for up to 64 single-stream HD cameras, measured at 1080p H.265 and 25 frames per second. It also supports recorder chassis holding as many as 16 drive bays, so a large installation can run several units together. In practice most Kenyan sites run between 4 and 16 cameras, well inside that ceiling. Sites pushing 4K cameras or multiple substreams per camera should count each stream separately when planning capacity.
Will this drive work with my Hikvision or Dahua recorder?
Yes. The WD Purple 6TB uses a standard SATA 6Gb/s interface in the 3.5-inch form factor that Hikvision, Dahua, Uniview, and Provision recorders accept. Western Digital validates the drive against a wide range of recorder chipsets and enclosures. Installation is a matter of seating the drive in the bay, connecting SATA data and power, then initialising it through the recorder menu. Mascom International's team can confirm compatibility with your specific recorder model before you buy.
What does AllFrame technology actually do for my footage?
AllFrame is Western Digital firmware that works with ATA streaming commands to cut dropped frames during heavy writing. When a desktop drive stumbles mid-write, the recorder loses frames, and playback shows pixelation, stutter, or a gap at the exact moment you needed clarity. AllFrame prioritises the write operation so footage lands intact. For an insurance claim or a police report, an unbroken sequence of frames is the difference between usable evidence and a file nobody can act on.
How does the drive cope with Kenyan heat and power interruptions?
The WD64PURZ operates across a 0 to 65 degrees Celsius base casting range, which covers an unventilated Mombasa server cupboard or a Nairobi ceiling void in March. Idle draw sits at 4.3W and read/write at 4.7W, so the drive adds little heat to a sealed recorder cabinet and runs longer on a UPS during KPLC outages. Pair it with a small UPS regardless: sudden power loss mid-write is the leading cause of file table damage in Kenyan CCTV installations.
Is this drive CMR or SMR, and why should I care?
The WD64PURZ uses CMR, conventional magnetic recording, and this matters more for CCTV than almost any other use. SMR drives overlap data tracks to raise density, which forces the drive to rewrite neighbouring tracks during sustained writing. Under the constant write load of a surveillance recorder, that behaviour causes stalls and dropped frames. CMR writes each track independently at a steady rate. Every capacity in the WD Purple line uses CMR, which is why installers specify it.
How long should the WD Purple 6TB last running continuously?
Western Digital rates the WD64PURZ at 1,000,000 hours mean time between failures under a 90TB annual workload at 40 degrees Celsius, and backs it with a three-year limited warranty. That MTBF figure describes a population of drives rather than a promise for any single unit, so plan accordingly. Keep the drive under its 180TB annual workload, give the recorder airflow, and run it on clean power. Most Kenyan installations replace surveillance drives on a four-year cycle as a precaution.
Where can I buy the WD Purple 6TB in Nairobi and what does it cost?
The WD Purple 6TB is KSh 28,500 at Mascom International, Old Mutual Building, First Floor Room 4, Kimathi Street, Nairobi CBD, open Monday to Saturday from 9:00 AM to 7:00 PM. You can inspect the sealed retail box and the WD64PURZ label before paying. If you cannot reach the CBD, call or WhatsApp +254 708 852 521 and the drive travels to you with pay-on-arrival delivery countrywide, including same-day dispatch within Nairobi.
Technical Specifications
Storage Capacity and Recording Technology
- Formatted capacity of 6TB gives roughly 5,580GB usable after formatting, enough for 20 days of eight-camera footage
- CMR conventional magnetic recording writes tracks independently, avoiding the write stalls that affect SMR drives under sustained load
- 4K physical sector layout raises error correction efficiency and matches every current DVR and NVR platform
- 3.5-inch form factor fits the standard drive bays used by Hikvision, Dahua, Uniview, and Provision recorders
- Model WD64PURZ sits within a range spanning 1TB to 8TB, so retention can be scaled without changing recorder settings
- AllFrame firmware cuts dropped frames during heavy multi-camera writing, keeping playback sequences whole
Transfer Speed and Cache Configuration
- SATA 6Gb/s interface connects to any recorder or desktop board manufactured in the past fifteen years
- Sustained host transfer rate reaches 180MB/s, comfortably above the combined write demand of 64 HD streams
- 256MB cache buffers incoming video before it reaches the platters, smoothing bursts from simultaneous camera feeds
- 5400 RPM class spindle speed trades peak throughput for lower heat and quieter running inside sealed cabinets
- Cache size matches the 8TB model and quadruples the 64MB fitted to the 1TB and 2TB drives
- Steady write behaviour matters more than burst speed in surveillance work, which is how this drive is tuned
Workload Rating and Reliability Data
- Annualized workload rating of 180TB per year is roughly three times what a desktop drive is rated to absorb
- Mean time between failures of 1,000,000 hours is measured at 90TB yearly workload and 40 degrees Celsius
- Non-recoverable read errors stay below 1 in 10^14 bits read, the standard benchmark for this drive class
- 300,000 load and unload cycles cover years of head parking during idle periods and power events
- RAID error recovery control limits how long the drive spends retrying a bad sector, preventing recorder timeouts
- Three-year limited manufacturer warranty from Western Digital covers the drive against defects under normal duty
Camera Channel and Recorder Compatibility
- Supports up to 64 single-stream HD cameras rated at 1080p H.265 and 25 frames per second
- Recorder chassis with as many as 16 drive bays are supported, allowing large sites to combine several units
- Rotational vibration sensors correct head position when neighbouring drives vibrate inside a multi-bay chassis
- Validated against a wide range of recorder chipsets and enclosures, covering the brands sold across Kenya
- Works equally in a desktop or NAS enclosure for offsite footage archiving away from the main recorder
- Count each camera substream separately when planning: a dual-stream camera consumes two of the 64 channels
Power Draw and Thermal Tolerance
- Read and write draw of 4.7W keeps a four-drive recorder under 20W of drive load during recording
- Idle draw of 4.3W and standby draw of 0.3W extend UPS runtime during Kenya Power interruptions
- Operating range spans 0 to 65 degrees Celsius on the base casting, covering unventilated cupboards and ceiling voids
- Non-operating tolerance from -40 to 70 degrees Celsius protects the drive during transport and upcountry storage
- Idle acoustics of 23dBA and seek acoustics of 27dBA suit reception areas and shop counters where recorders sit
- Lower power draw also means less heat inside the recorder, which lengthens the life of surrounding components
Physical Build and Vibration Handling
- Dimensions of 147mm length, 101.6mm width, and 26.1mm height match the universal 3.5-inch bay standard
- Weight of 0.57kg keeps mounting screws under low stress in wall-mounted and rack-mounted recorder cabinets
- Tarnish-resistant components resist the coastal humidity that degrades exposed contacts in Mombasa, Malindi, and Kilifi installations
- Operating shock tolerance of 30Gs during read and write handles the vibration found near generators and workshop floors
- Non-operating shock tolerance of 250Gs protects the drive through matatu and courier transport to upcountry sites
- Sealed metal casing keeps dust out in Industrial Area workshops, construction sites, and roadside retail premises
Package Contents
- WD Purple 6TB Surveillance Hard Drive, model WD64PURZ, in sealed Western Digital retail packaging
- Western Digital quick installation and warranty documentation
Note: SATA data cables and mounting screws are not supplied with internal hard drives, since recorders and computer cases normally include them. Mascom International stocks SATA cables and drive-mounting screw sets separately if your recorder bay arrived without them.
Warranty
The WD Purple 6TB carries Western Digital's three-year limited warranty against defects under normal operation, with Mascom International coordinating claims directly from our Nairobi CBD service desk. Keep the drive within its 180TB annual workload rating and its stated temperature range to remain covered.
Where to Buy the WD Purple 6TB Surveillance Hard Drive in Kenya
The WD Purple 6TB is in stock at Mascom International, Old Mutual Building, First Floor Room 4, Kimathi Street, Nairobi CBD. Visit Monday through Saturday, 9:00 AM to 7:00 PM, to inspect the sealed retail box before purchase. We also stock the 1TB, 2TB, 4TB, and 8TB capacities in the same range if your retention target differs.
Order through any of the following:
- Phone/WhatsApp: +254 708 852 521
- Email: info@mascomintl.com
- Website: www.mascomintl.com
Mascom International delivers the drive across all 47 Kenyan counties with pay-on-arrival terms, so you pay once it reaches you. Nairobi and its environs receive same-day delivery. All other major cities and towns, including Mombasa, Kisumu, Nakuru, Eldoret, and Garissa, receive next-business-day delivery. Mandera, Wajir, Marsabit, Lamu, Tana River, and Turkana receive delivery within 2-3 business days.
Every unit is covered by the three-year warranty detailed above.
Our Nairobi CBD counter handles installation questions and after-sales support directly. CCTV installers and property owners across Kenya rely on Mascom International for honest specifications, current pricing, and storage that survives the duty cycle it was sold for.
Disclaimer: We can not guarantee that the information on this product is 100% correct
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