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Black desktop tower with RGB liquid cooling and glass side panel

Velztorm

Velztorm Pilum CTO Liquid-Cooled Gaming PC Ryzen 7 3700X 128GB DDR4 512GB SSD 6TB HDD Radeon RX 6900 XT 16GB

SKU CH-CYCY-C2WZ6

Liquid-cooled desktop with 8-core Ryzen 7 3700X, 128GB DDR4, Radeon RX 6900 XT 16GB GDDR6, 512GB SSD plus 6TB HDD, 750W supply and Windows 10 Pro

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 7 3rd Gen
  • RAM capacity128 GB DDR4
  • SSD storage512 GB
  • GraphicsAMD Radeon RX 6900 XT
  • CPU modelAMD Ryzen 7 3700X

Memory 128GB DDR4

Storage 512GB SSD + 6TB HDD

Show 4 more
  • Liquid CPU cooler keeps temperatures low under load
  • 8-core Ryzen 7 3700X reaches 4.4 GHz boost
  • 128GB DDR4 handles heavy multitasking with ease
  • 512GB NVMe SSD plus 6TB HDD gives fast boot and vast storage
  • Radeon RX 6900 XT 16GB GDDR6 drives high-frame-rate 4K gaming

Built for heavy multitasking and 4K play

The Velztorm Pilum pairs an 8-core Ryzen 7 3700X with 128GB DDR4 and a Radeon RX 6900 XT carrying 16GB GDDR6. Storage combines a 512GB NVMe drive with a 6TB HDD. Windows 10 Pro ships pre-installed on a system powered by a 750W supply and connected through 802.11n Wi-Fi and wired LAN.

Thermals noise and power at idle

A 120mm AIO liquid CPU cooler handles the processor while RGB fans move air through the black chassis. At desktop loads the cooling loop runs quietly and the 750W unit draws only what the components need. No optical drive or Bluetooth hardware adds to the acoustic profile.

Behaviour under sustained load

During extended gaming or render sessions the AIO keeps the 3700X near its 4.4 GHz boost ceiling without thermal throttling. The RX 6900 XT maintains DirectX 12 Ultimate workloads with AMD FreeSync and Radeon Anti-lag active. Power delivery remains stable from the 750W source throughout long runs.

How it compares

Measured against everything we stock in Gaming PCs, at today’s prices. Recalculated every night.

Price $5,386.99
Pricier than about 88% of the 24,925 comparable items (median $2,694.99).
RAM capacity 128 GB DDR4
Higher than about 80% of the 24,338 comparable items (median 32 GB).
SSD storage 512 GB
Lower than about 96% of the 24,468 comparable items (median 2 TB).

New to this? Buying a gaming PC with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameVelztorm
Model namePilum
Product typeGaming & Entertainment
Product colorBlack
Processor
ProcessorAMD Ryzen 7 3rd Gen
CPU modelAMD Ryzen 7 3700X
L3 cache per CPU32 MB Cache
Memory
RAM capacity128 GB DDR4
Storage
SSD storage512 GB
Hard drive6 TB
Storage configuration512 GB PCIe SSD + 6 TB HDD
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsAMD Radeon RX 6900 XT
Connectivity
Wi-Fi802.11n
Bluetooth supportNo
Ports & slots
Memory card readerNo
Ethernet portYes
Power
Power supply750 W
Size & build
Form factorDesktop
Software
Operating systemWindows 10 Pro ‍👉Check gaming pc with Windows 11 Pro
More details
Keyboard typeNone

Other versions of this model

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Questions about this item

How is the 120mm AIO liquid CPU cooler installed and which step is often missed?

The 120mm AIO arrives pre-filled and mounted on the Ryzen 7 3700X; the step users skip is connecting the pump header to the motherboard CPU_FAN connector so the pump runs at full speed.

What maintenance or replacement will the 120mm AIO liquid CPU cooler need later?

The sealed 120mm AIO requires no refill; after several years the pump may wear or the radiator fins clog with dust, at which point the whole unit is replaced.

What limit appears first on the Radeon RX 6900 XT 16GB GDDR6 during sustained gaming?

The GPU core temperature rises until the card hits its thermal throttle point, causing clock speeds to drop before the 750W power supply reaches its limit.

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