HGCHIPS HGD32G16L21 — Drop-in Replacement for K4B2G1646F-BCNB

Sourcing a long-term supply alternative for K4B2G1646F-BCNB (Samsung)? HGCHIPS HGD32G16L21 is a production pin-to-pin compatible part: package and pin-out are cross-checked line by line against the original datasheet, so it drops into your existing PCB and BOM with no circuit change. Suited to second-source qualification, EOL and allocation shortage situations.

HGD32G16L21 Key Specifications

Original Part Numbers Replaced

Typical Applications

• Industrial control boards and embedded SOMs
• Routers, switches and GPON/ONT networking equipment
• DVR / NVR / IP camera security systems
• Power meters and smart grid terminals
• Set-top boxes, digital signage and ESL labels
• Long-life legacy platforms and second-source qualification

Why HGCHIPS HGD32G16L21

• Pin-to-pin compatible — package, pin-out and function cross-checked against the original datasheet; no re-layout, no firmware change.
• Lot test reports — 100% tested before shipment; test data available per lot for IQC records.
• Ships in 48 hours — stock items ship from Shenzhen within 48 hours; long-term projects can be price-locked.
• Samples from 10 pcs — validate in small quantity before volume ramp.

Related Parts and Lookup

Same family: HGD31G08S16 / HGD31G08S21 / HGD31G16H13 / HGD31G16H13E / HGD31G16N13 / HGD31G16N13L / HGD31G16S16 / HGD31G16S18

DDR3 SDRAM drop-in replacement list · Model Finder · Contact: info@hgtech.cc · +86 760 8992 4799

Frequently asked questions

HGD32G16L21 — can it drop in without board changes?

No board changes. HGD32G16L21 is designed as a pin-to-pin drop-in: package and pin-out are checked field by field against the original datasheet, so it fits the existing PCB and firmware. Typical use is second-sourcing, EOL cover and allocation shortages.

How do I use the selection table?

Find your original part number, then check density, organization, speed grade, voltage, package and temperature range against your BOM. Any field that differs is stated on the page — we do not claim the parts are identical.

HGD32G16L21 — samples and lead time?

Samples from 10 pcs, credited against the first order. In-stock items ship from Shenzhen within 48 hours; long-lead projects can be price-locked. Parts are 100% inspected before shipment and batch test data is available for IQC.

How do I request a quote for HGD32G16L21?

Send your target part number, monthly usage and target price to info@hgtech.cc or call +86 760 8992 4799 — we reply within 24 business hours (same day for stock parts).