Price comparison

4GB DDR3 laptop RAM prices

Every 4GB DDR3 laptop RAM kit we found at Adorama, Newegg and Walmart, cheapest first. Prices checked October 13, 2026, excluding sales tax.

Prices checked Tuesday, October 13, 2026Generated from our weekly price data

Lowest price

$9.80

DDR3, Walmart

Median per GB

$4.64

from $2.45

Median price

$18.57

across 24 kits

Shop spread

53%

3 shops, cheapest offer per GB

4GB DDR3 laptop RAM: lowest and median price

USD, weekly, excluding sales tax

Price history starts on October 13, 2026. The chart grows by one point every week.

All 4GB DDR3 laptop RAM kits

SpeedBrandShopSortIn stock

Kit	Type	Speed, latency	Shop	12 weeks	Price	Link
Panasonic, DDR3L, 4 GB, SO-DIMMBest value per GB	DDR3		Walmart	no history yet	$9.80$2.45/GB	View at Walmart
Patriot Memory Signature Line DDR3L 4GB 1600MHz SODIMM Notebook Module	DDR3	1600 MT/s	Adorama	no history yet	$11.99$3.00/GB	View at Adorama
Timetec 4GB DDR3L / DDR31866MHz PC3L-14900 / PC3-14900 Non-ECC Unbuffered 1.35V / 1.5V…	DDR3	1866 MT/s, CL13	Newegg	no history yet	$14.99$3.75/GB	View at Newegg
Timetec 4GB DDR3L / DDR3 1600MHz PC3L-12800 / PC3-12800 Non-ECC Unbuffered 1.35V / 1.5V…	DDR3	1600 MT/s, CL11	Newegg	no history yet	$14.99$3.75/GB	View at Newegg
Rimlance 4GB (1X4GB) 1.5V DDR3 1333MHZ PC3-10600 SODIMM 2RX8	DDR3	1333 MT/s	Newegg	no history yet	$14.99$3.75/GB	View at Newegg
Timetec 4GB DDR3L Laptop RAM Memory, 1866MHz PC3L-14900, SODIMM, Non-ECC Unbuffered, 1.	DDR3	1866 MT/s	Walmart	no history yet	$14.99$3.75/GB	View at Walmart
Timetec 4GB DDR3 Laptop RAM Memory, 1333MHz PC3-10600, SODIMM, Non-ECC Unbuffered, 1.5V	DDR3	1333 MT/s	Walmart	no history yet	$14.99$3.75/GB	View at Walmart
Timetec 4GB DDR3L Laptop RAM Memory, 1600MHz PC3L-12800/PC3-12800, SODIMM, Non-ECC Unbu	DDR3	1600 MT/s	Walmart	no history yet	$14.99$3.75/GB	View at Walmart
SK HYNIX 4GB 1Rx8 DDR3 PC3L-12800S-11-13-B4 Laptop Memory RAM HMT451S6BFR8A-PB	DDR3	1600 MT/s, CL11	Newegg	no history yet	$15.61$3.90/GB	View at Newegg
Supermicro Certified MEM-DR340L-CL01-SO16 \| Micron MT8KTF51264HZ-1G6E1 \| 4GB PC3-12800…	DDR3	1600 MT/s, CL11	Newegg	no history yet	$17.74$4.43/GB	View at Newegg
HYNIX 4GB DDR3 1600MHZ LAPTOP MEMORY HMT451S6BFR8A-PB	DDR3	1600 MT/s, CL11	Newegg	no history yet	$17.99$4.50/GB	View at Newegg
Hynix 4GB DDR3 SO-DIMM DDR3 1333 (PC3 10600) Laptop Memory Model HMT351S6CFR8C-H9	DDR3	1333 MT/s	Newegg	no history yet	$18.57$4.64/GB	View at Newegg
SAMSUNG 4GB DDR3 SO-DIMM DDR3 1600 (PC3 12800) Laptop Memory Model M471B5273DH0-CK0	DDR3	1600 MT/s, CL11	Newegg	no history yet	$18.57$4.64/GB	View at Newegg
Supermicro Certified MEM-DR340L-HL01-SO13 \| Hynix 4GB PC3-10600 DDR3 1333MHz 2Rx8…	DDR3	1333 MT/s, CL9	Newegg	no history yet	$19.36$4.84/GB	View at Newegg
Supermicro Certified MEM-DR340L-HL02-SO13 \| Hynix 4GB PC3-10600 DDR3 1333MHz 2Rx8…	DDR3	1333 MT/s, CL9	Newegg	no history yet	$19.36$4.84/GB	View at Newegg
4Gb Ddr3 Pc3-12800 1600Mhz Sodimm Cl11 Chip Notebook Memory M471B5273Ch0-Ck0	DDR3	1600 MT/s, CL11	Newegg	no history yet	$19.37$4.84/GB	View at Newegg
4GB Samsung PC3-12800 (1600Mhz) 204 pin DDR3 SODIMM 1.35V Laptop Computer Memory	DDR3	1600 MT/s	Newegg	no history yet	$19.39$4.85/GB	View at Newegg
G.SKILL 4GB (2 x 2GB) DDR3 SO-DIMM DDR3 1600 (PC3 12800) Laptop Memory Model…	DDR3	1600 MT/s, CL9	Newegg	no history yet	$20.94$5.24/GB	View at Newegg
SAMSUNG 4GB DDR3 SO-DIMM DDR3 1333 (PC3 10600) Laptop Memory Model M471B5273DH0-CH9	DDR3	1333 MT/s, CL9	Newegg	no history yet	$23.39$5.85/GB	View at Newegg
Crucial 4GB SO-DIMM DDR3L 1600 (PC3L 12800) Laptop Memory Model CT51264BF160B	DDR3	1600 MT/s, CL11	Newegg	no history yet	$24.99$6.25/GB	View at Newegg
Hynixhynix Hmt351s6efr8a-Pb Hynix 4Gb (1X4gb) Pc312800s 1600Mhz Dual Rank Unbuffered…	DDR3	1600 MT/s, CL11	Newegg	no history yet	$27.93$6.98/GB	View at Newegg
Kingston 4GB DDR3 SO-DIMM DDR3 1333 Laptop Memory Model KVR13S9S8/4	DDR3	1333 MT/s, CL9	Newegg	no history yet	$29.08$7.27/GB	View at Newegg
Samsung 4GB (2 X 2GB) PC3-10600S DDR3 1333MHz Laptop Memory M471B5673FH0-CH9	DDR3	1333 MT/s	Newegg	no history yet	$29.99$7.50/GB	View at Newegg
Kingston 4GB DDR3 SO-DIMM DDR3 1600 Laptop Memory Model KVR16S11S8/4	DDR3	1600 MT/s, CL11	Newegg	no history yet	$32.40$8.10/GB	View at Newegg

Showing 24 of 24. Prices exclude sales tax, as shown by US shops.

About 4GB DDR3 laptop RAM

4GB of DDR3 for a laptop or mini PC, in the SO-DIMM format. Check your laptop manual first: many thin models have soldered memory that cannot be upgraded.

The cheapest kit costs $9.80, the median $18.57. Paying more mostly buys speed, lower latency or RGB lighting, not more memory.

We started tracking these prices on October 13, 2026, so there is no trend yet. The chart gets a new point every week.

Shopping around pays: the cheapest offer per GB differs 53% between shops. Walmart has the lowest this week.

Most kits are in stock (100%).

Questions about 4GB DDR3 laptop RAM

What is the cheapest 4GB DDR3 laptop RAM kit right now?

The Panasonic, DDR3L, 4 GB, SO-DIMM at Walmart for $9.80, checked on October 13, 2026. We list 24 kits in total.

How much does 4GB DDR3 laptop RAM cost per GB?

The median is $4.64 per GB and the lowest offer is $2.45 per GB.

Are 4GB DDR3 laptop RAM prices going up or down?

We started tracking on October 13, 2026. We need a few weeks of data before we can say which way prices move.

Which shops sell 4GB DDR3 laptop RAM?

This week: Adorama, Newegg and Walmart. We check these shops every week.

How often are these prices updated?

Every week. The last check was on October 13, 2026. Prices are excluding sales tax; the shop shows the final price at checkout.