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Deal.ai › G.Skill › RAM Memory
G.Skill
G.Skill Ripjaws SO-DIMM 128GB Laptop Memory F5-5600S4645A64GX2-RS

G.Skill Ripjaws SO-DIMM 128GB Laptop Memory F5-5600S4645A64GX2-RS

Best price now

$3,799.99at Newegg BusinessChecked 1 h ago

Compared across 6 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $3,799.99 at Newegg Business (checked Nov 14, 2026).
  • Checked at 6 stores.

Our take on the G.Skill Ripjaws SO-DIMM 128GB Laptop Memory F5-5600S4645A64GX2-RS

This is a 128GB laptop memory kit: two 64GB DDR5 SO-DIMM sticks running at 5600 MT/s with CL46 timings at 1.1V. It is a JEDEC-spec kit with no XMP or EXPO profile, so it runs at its rated speed on laptops that support DDR5-5600 without any tuning. The appeal is capacity: 128GB in two sockets is the top of what current consumer laptops and mobile workstations accept, and few rivals offer 64GB modules at all. It suits heavy multitaskers, virtual machine users and content creators; gamers and light users get little from it over a smaller, faster kit.

Best forMobile workstation and laptop users running many VMs or containersVideo editors and 3D artists working with large projects on a laptopData and scientific workloads that need to hold big datasets in memoryBuyers who want maximum capacity without touching BIOS settings
Pros
  • 128GB in two SO-DIMM slots, the practical ceiling for most DDR5 laptops
  • Runs at rated 5600 MT/s with no XMP or EXPO needed
  • Low 1.1V DDR5 voltage keeps heat and power draw modest
  • Standard 262-pin SO-DIMM fit for DDR5 laptop slots
  • No heatsinks or RGB, so it fits tight laptop chassis
Cons
  • CL46 latency is loose, so it is not a fast kit for gaming
  • No XMP or EXPO means no headroom to tune beyond JEDEC speeds
  • 64GB modules are not supported by every laptop, so check the platform first
  • High capacity costs far more than a 32GB or 64GB kit for little gaming gain

G.Skill Ripjaws SO-DIMM 128GB Laptop Memory F5-5600S4645A64GX2-RS prices at every store

  • Newegg.comNew

    In stock

    $3,799.99Free shippingChecked 1 h ago
    Visit Newegg.com
  • Newegg BusinessNew

    In stock

    $3,799.99Free shippingChecked 1 h ago
    Visit Newegg Business
  • SearsNew

    In stock

    $6,104.06Free shippingChecked 1 h ago
    Visit Sears
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $3,799.99Free shippingChecked 1 h ago
    Visit Amazon
  • eBayNew

    Availability unknownReturns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $6,104.06Free shippingChecked 1 h ago
    Visit eBay
  • WalmartNew

    Out of stockSold by TELeasy CorpReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $4,530.94Checked 1 h ago
    Visit Walmart

Store links may earn us a commission.

G.Skill Ripjaws SO-DIMM 128GB Laptop Memory F5-5600S4645A64GX2-RS price history

Lowest price we've seen: $3,799.99 on Nov 14 at Newegg.com. Tracked across 4 stores since Nov 14.

About the G.Skill Ripjaws SO-DIMM 128GB Laptop Memory F5-5600S4645A64GX2-RS

The G.Skill Ripjaws SO-DIMM is a 128GB DDR5 laptop memory kit. It includes two 64GB modules in the 262-pin SO-DIMM format.

The modules run at 5600 MHz (PC5 44800) with a CAS latency of CL46 at 1.10V.

Model
F5-5600S4645A64GX2-RS
Total capacity
128 GB (2 x 64 GB)
Modules
2 x 64 GB
Speed
DDR5 5600 MHz (PC5 44800)
CAS latency
CL46
Voltage
1.1 V
ECC
No
Registered
No
XMP
No
EXPO
No
Lighting
No
Use
Laptops
Warranty
Minimum 1 year

Specifications

Memory Modules
2Source
Memory Capacity
128 GBSource
ECC
NoSource
Area of Use
For LaptopsSource
Voltage (V)
1.1Source
Memory Modules Capacity
64 GBSource
Type
SO-DIMM DDR5Source
CAS Latency
CL46Source
Lighting
NoSource
XMP
NoSource
Memory Speed
5600 MHzSource
Registered
NoSource
Number Of Sticks
Two
Capacity
128 GB

Questions and answers

Will this kit work in my laptop?
Only if your laptop takes DDR5 SO-DIMM memory and its platform supports 64GB modules per slot. Many DDR5 laptops cap out at 32GB or 64GB total, so check the manufacturer's maximum memory spec before buying.
Do I need to enable XMP or EXPO?
No. This kit has no XMP or EXPO profile and runs at DDR5-5600 with standard JEDEC settings. It should boot at rated speed on a laptop that supports that speed, with nothing to configure.
Is CL46 latency a problem?
For gaming and general use, the difference against tighter kits is small, and capacity matters more when you are short on memory. For latency-sensitive work, a lower-capacity kit with tighter timings may serve better.
Is this better than a 64GB kit?
Only if you actually run out of memory at 64GB, such as with many virtual machines or very large project files. Otherwise a 64GB kit leaves room to add more later and costs less.
Does it have ECC or registered memory?
No. It is unbuffered, non-ECC SO-DIMM memory, which is what mainstream laptops use. It will not work in servers or workstations that require ECC or registered modules.
What is in the box?
Two 64GB DDR5 SO-DIMM modules. The kit is sealed in retail packaging and carries a manufacturer warranty of at least one year.
Where is the G.Skill Ripjaws SO-DIMM 128GB Laptop Memory F5-5600S4645A64GX2-RS cheapest?
At Newegg Business, for $3,799.99, as of our latest check.
Where can I buy the G.Skill Ripjaws SO-DIMM 128GB Laptop Memory F5-5600S4645A64GX2-RS?
6 stores we checked sell it, including Newegg.com, Newegg Business, Sears, Amazon, Walmart.

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Stores we've priced the G.Skill Ripjaws SO-DIMM 128GB Laptop Memory F5-5600S4645A64GX2-RS at

  • Newegg deals and prices
  • Newegg Business deals and prices
  • Sears deals and prices

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