Alternative to M391A1K43DB2-CTD: Better-Value Equivalents in Stock
Comparing the M391A1K43DB2-CTD (M391A1K43DB2-CTD - Samsung 8GB PC4-21300 DDR4-2666MHz ECC Unbuffered CL19 UDIMM 1.2V Single-Rank Memory Module) against alternatives? Pro Disk Network stocks 12 similar Samsung parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the M391A1K43DB2-CTD
| SKU | M391A1K43DB2-CTD |
|---|---|
| Product | M391A1K43DB2-CTD - Samsung 8GB PC4-21300 DDR4-2666MHz ECC Unbuffered CL19 UDIMM 1.2V Single-Rank Memory Module |
| Current price | $174.28 |
| Stock status | In Stock |
| Detail page | View M391A1K43DB2-CTD › |
Alternatives to M391A1K43DB2-CTD
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
M471A1K43BB1-CTD - Samsung 8GB PC4-21300 DDR4-2666MHz non-ECC Unbuffered CL19 SoDIMM 1.2V Single-Rank Memory Module
SKU: M471A1K43BB1-CTD
Price: $135.17
M378A1K43BB2-CTD - Samsung 8GB DDR4-2666MHz PC4-21300 non-ECC Unbuffered CL19 288-Pin DIMM 1.2V Single Rank Memory Module
SKU: M378A1K43BB2-CTD
Price: $136.88
M378A1K43CB1-CTD - Samsung 8GB PC4-21300 DDR4-2666MHz non-ECC Unbuffered CL19 UDIMM 1.2V Single-Rank Memory Module
SKU: M378A1K43CB1-CTD
Price: $152.39
M474A1K43DB1-CTD - Samsung 8GB PC4-21300 DDR4-2666MHz ECC Unbuffered CL19 SoDIMM 1.2V Single-Rank Memory Module
SKU: M474A1K43DB1-CTD
Price: $167.86
M471A1K43EB1-CTD - Samsung 8GB PC4-21300 DDR4-2666MHz non-ECC Unbuffered CL19 SoDIMM 1.2V Single-Rank Memory Module
SKU: M471A1K43EB1-CTD
Price: $172.74
M391A1K43BB1-CTD - Samsung 8GB PC4-21300 DDR4-2666MHz ECC Unbuffered CL19 UDIMM 1.2V Single-Rank Memory Module
SKU: M391A1K43BB1-CTD
Price: $174.28
M378AA1K43CB2-CTD - Samsung 8GB PC4-21300 DDR4-2666MHz non-ECC Unbuffered CL19 UDIMM 1.2V Single-Rank Memory Module
SKU: M378AA1K43CB2-CTD
Price: $174.49
M391A1K43BB2-CTD - Samsung 8GB PC4-21300 DDR4-2666MHz ECC Unbuffered CL19 UDIMM 1.2V Single-Rank Memory Module
SKU: M391A1K43BB2-CTD
Price: $184.21
M378A1G43TB1-CTD - Samsung 8GB PC4-21300 DDR4-2666MHz non-ECC Unbuffered CL19 UDIMM 1.2V Dual-Rank Memory Module
SKU: M378A1G43TB1-CTD
Price: $184.21
M378A1K43DB2-CTD - Samsung 8GB PC4-21300 DDR4-2666MHz non-ECC Unbuffered CL19 UDIMM 1.2V Single-Rank Memory Module
SKU: M378A1K43DB2-CTD
Price: $191.58
M378A1K43CB2-CTD - SamSung 8GB DDR4-2666MHz PC4-21300 non-ECC Unbuffered CL19 288-Pin DIMM 1.2V Dual Rank Memory Module
SKU: M378A1K43CB2-CTD
Price: $191.58
M474A1G43EB1-CTD - Samsung 8GB DDR4-2666MHz PC4-21300 ECC Unbuffered CL19 260-Pin SoDimm 1.2V Dual Rank Memory Module
SKU: M474A1G43EB1-CTD
Price: $194.26
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.