RTS5781DL vs RTS5776DL Comparison

Detailed side-by-side comparison of RTS5781DL by Realtek and RTS5776DL by Realtek. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Specification Comparison

Parameter RTS5781DL RTS5776DL
Brand Realtek Realtek
Category Interface ICs Memory ICs
Lifecycle Status NRND Active
Stock Status In Stock In Stock
Unit Price (USD) $10.40 $6.20
Host Interface PCIe 5.0 x4 (NVMe 2.0) PCIe Gen4 x4 (NVMe)
Sequential Read (max) 10,000 MB/s —
Sequential Write (max) 10,000 MB/s —
Random Read IOPS 1,400K —
Random Write IOPS 1,400K —
NAND Channels 4 4
Max NAND Interface Speed 3,600 MT/s —
ECC Engine 4K LDPC —
DRAM Support DRAM-less (HMB) —
NAND Type Support 3D TLC/QLC 3D TLC and QLC NAND
Form Factor Target M.2 2280 NVMe SSD —
Package BGA (Realtek DL-series standard) BGA (package outline from datasheet)
Engineering Sample Status Sampling (Q1 2025) —
Production Launch Expected within one year of sample (2026 timeframe) —
Compliance RoHS compliant (per Realtek roadmap) PCI-SIG (PCIe Gen4), NVMe
Product Type — PCIe Gen4 x4 NVMe SSD Controller
Manufacturer — Realtek
NAND Interface Speed — 3,600 MT/s per channel
Architecture — DRAM-less
Sequential Read/Write — Up to 7,400 MB/s
4K Random Read/Write IOPS — Up to 1,200,000
Encryption — Hardware AES (per Realtek roadmap)
Target Form Factors — M.2 2280, M.2 2242, M.2 2230
Position in Roadmap — Mainstream lower-end PCIe Gen4 (DRAM-less)
Operating Temperature — [DATA_NEEDED: operating temperature range]
RoHS Status — Compliant (per JLCPCB listing)
MSL Level — [DATA_NEEDED: MSL level]

Datasheets & Resources

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