Hardware Spec Index

Caldera SN-4921 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4921-EDGE · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index5,945 (SSDs scale)
Category rank#14,747
Street price$79
Power6 W (active)
Performance per dollar75.25
Released2021

Specifications

BrandCaldera
ModelCaldera SN-4921 Edge
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,200 MB/s
Sequential write4,000 MB/s
Random 4K read1,000K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 DWPD)
Warranty3 years
HeatsinkHeatsink edition available

Related guides

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

Similar SSDs

ModelBenchmarkPriceCompare
Strivon SN-4307 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD5,423$59Compare
Caldera SN-8251 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD7,543$139Compare
Mirenta SN-6261 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD10,215$229Compare
Caldera SN-6889 Plus 8TB PCIe 5.0 NVMe M.2 2280 SSD14,133$559Compare
Altrix SN-4892 Edge 4TB PCIe 4.0 NVMe M.2 2280 SSD10,738$349Compare
Strivon SN-8022 Edge 2TB PCIe 3.0 NVMe M.2 2280 SSD11,007$389Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-4921 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3015863 (accessed 2026-10-26).