我們接受加密貨幣付款 — 讓您持有的幣種也能買到真正的硬體設備。以加密貨幣付款，直接購入真正的硬體設備。 全球訂單滿 US$399，即享免費保險運送。簡約外箱，不印任何品牌標誌，從德國出貨。訂單滿 US$399，即享免費保險運送。 結帳一開始，您的匯率即鎖定 30 分鐘。匯率鎖定 30 分鐘。 每件商品皆原廠密封、序號經過核對，並享有 24 個月保固。原廠密封，保固 24 個月。

追蹤清單 登入
Eight black DDR4 UDIMM sticks without heat spreaders

OWC

OWC 64GB (8x8GB) DDR4 2666MHz CL19 desktop RAM

SKU CH-5FHB-VNXPB

Eight 8 GB DDR4 2666 MHz CL19 modules totalling 64 GB for desktop upgrades

  • Capacity64GB (8x8GB)
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • 64 GB capacity with eight 8 GB modules for heavy multitasking
  • DDR4 2666 MHz speed rated at PC4-21300 for responsive performance
  • CL19 latency at 1.2 V for efficient operation
  • 288-pin unbuffered non-ECC design fits standard desktop DIMM slots
  • Backward compatible with 2133 MHz and 2400 MHz systems

Capacity and fit

This kit delivers 64GB of DDR4 memory across eight 8GB unbuffered UDIMM modules. It targets desktop PCs, workstations and NAS systems that need a large, single-channel upgrade. Each stick runs at 2666MHz with a CL19 latency and operates at the standard 1.2V JEDEC voltage. The 288-pin form factor fits any board that accepts DDR4 UDIMMs.

Thermals and power

The modules carry no heat spreader, relying on case airflow to keep temperatures in check during normal desktop workloads. At the rated 1.2V the kit draws only the power required by the JEDEC DDR4 baseline, so it adds minimal heat to the system. With no LEDs or active cooling the memory runs silently in typical office or creative applications.

Sustained load behaviour

Under prolonged heavy use the sticks maintain their 2666MHz CL19 timing because they are validated to the full JEDEC PC4-21300 specification. Backward compatibility with 2133MHz and 2400MHz platforms means the kit will down-clock cleanly if the motherboard cannot support the top speed. The eight-module population fills most consumer boards completely, so sustained bandwidth stays consistent across all populated channels.

商品特色

  • 64 GB capacity with eight 8 GB modules for heavy multitasking
  • DDR4 2666 MHz speed rated at PC4-21300 for responsive performance
  • CL19 latency at 1.2 V for efficient operation
  • 288-pin unbuffered non-ECC design fits standard desktop DIMM slots
  • Backward compatible with 2133 MHz and 2400 MHz systems

商品規格

BrandOWC
Part Number2U6D41R8064K
Capacity64GB (8x8GB)
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
ColorBlack
Heat SpreaderNo
Recommend UseDesktops
LED ColorNone

商品問答

How do I install the 288-pin UDIMM modules and what step is often missed?

Align the notch on each 288-pin UDIMM with the slot key, press straight down until both side clips click, then verify the BIOS shows all 64GB at 2666MHz; the step often missed is seating every module fully so both clips engage.

What maintenance or replacement will the 8x8GB kit need later?

The unbuffered non-ECC DDR4 modules have no moving parts and require no scheduled maintenance; replacement is only needed if a module fails, which is covered by the limited lifetime warranty.

What limit appears first under sustained use with CL19 2666MHz DDR4?

The CAS latency of CL19 at 2666MHz sets the timing ceiling; under heavy sustained loads the memory controller will hit this latency bound before voltage or thermal limits become a factor.

同類商品

顧客也比較過

同一分類，同一套結帳流程 — 支援八種加密貨幣，匯率鎖定 30 分鐘。