Hardware Spec Index

Caldera SN-4654 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4654-ULTRA · Released 2026 · Updated 2026-10-18

Key facts

Benchmark index7,713 (SSDs scale)
Category rank#5,143
Street price$139
Power6 W (active)
Performance per dollar55.49
Released2026

Specifications

BrandCaldera
ModelCaldera SN-4654 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,500 MB/s
Sequential write4,800 MB/s
Random 4K read790K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance720 TBW (0.33 DWPD)
Warranty3 years
HeatsinkNone

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0

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Cite this page: Hardware Spec Index, “Caldera SN-4654 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/875083 (accessed 2026-10-18).