Hardware Spec Index

Caldera SN-2748 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN2748-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index5,371 (SSDs scale)
Category rank#7,244
Street price$69
Power5 W (active)
Performance per dollar77.84
Released2021

Specifications

BrandCaldera
ModelCaldera SN-2748 Ultra
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,200 MB/s
Sequential write3,600 MB/s
Random 4K read1,070K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
Endurance300 TBW (0.55 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-2748 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/9756469 (accessed 2026-10-21).