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⚡ Upgrade your print game—because slow printers are so last decade!
The CB423A is a 256MB DDR2 144-pin DIMM memory module engineered by Keystron for HP LaserJet printers. It delivers a reliable, OEM-compatible upgrade that accelerates printing speed and stability across multiple HP LaserJet models, backed by a lifetime warranty to ensure long-term performance.
| ASIN | B00H4ML7N6 |
| Additional Features | Lightweight |
| Best Sellers Rank | #1,400 in Computer Memory |
| Brand | Keystron |
| Compatible Devices | Printer |
| Computer Memory Size | 256 MB |
| Customer Reviews | 4.9 out of 5 stars 52 Reviews |
| Data Transfer Rate | 256 Megabits Per Second |
| Form Factor | 144-pin SO-DIMM/DIMM |
| Manufacturer | Keystron, LLC |
| Memory Form Factor | RDIMM |
| Memory Generation | DDR2 |
| Mfr Part Number | CB423A |
| Model Name | CB423A |
| Model Number | CB423A |
| Number of Pins | 144 |
| RAM Memory Technology | DDR2 |
| RAM Size | 256 MB |
| Special Feature | Lightweight |
| UPC | 609728997496 |
R**R
Solve my printing problem
My printer was having a problem printing pdf files with graphics. Added this and POOF! no more problems.
W**R
Perfect memory upgrade because it’s OEM
Worked perfectly because it is the original part for this purpose. Made my printer much faster to start printing and able to keep going (vs stop and start). This is a 15 year old printer that can still use non-HP toner, so I want it to work forever.
W**S
Good memory
This memory worked properly in our printer. I was very happy to find someone who still had stock of memory this old. Price, shipping and quality were all very good.
D**9
Exactly What My Printer Needed
I was so frustrated when I tried to print a large document 20+ pages or smaller documents with graphs. My printer would continually restart the print job and never fully print the document so I had to print one page at a time so I’d stop wasting paper and toner. I purchased this inexpensive chip, it installed easily into the side of the printer and now it prints everything I send to it as expected on the first try. I have a LaserJet CP1525nw.
K**R
Perfect fit.
works perfectly in the HP CM2320nf MFP.
A**S
This DDR2 memory card works as advertised in my HP Color LaserJet 2025dn
Excellent DDR2 memory product - I purchased this one after another vendor DDR2 memory card I ordered from Amazon wouldn't be recognized by my HP Color LaserJet printer (I returned that memory card). This one worked very well - it was an easy install and the printer recognized the additional memory on the first boot up. I highly recommend this product
A**R
DIMM Makes Printing Quicker
Inserted the DIMM into the socket, powered up the printer and the boot-up stalled - this problem had been noted in previous product reviews. As in the previous product reviews, the second time was the charm. Have turned the power off a couple times and the printer always restarts normally. I expect that there will be no future problems caused by the DIMM
J**O
Easy installation and worked
Worked as expected and easy installation
B**.
Five Stars
great value
G**M
Five Stars
works well
Trustpilot
3 weeks ago
3 weeks ago