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Deal.ai › Kingston › RAM Memory
Kingston
Kingston SO-DIMM DDR5 5600MHz 16GB (KCP556SS8-16)

Kingston SO-DIMM DDR5 5600MHz 16GB (KCP556SS8-16)

4.9(20 ratings)

Best price now

$361.61at NeweggChecked 1 h ago

Compared across 2 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.

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Price facts

  • Lowest price today: $361.61 at Newegg (checked Nov 14, 2026).
  • Checked at 2 stores.

Our take on the Kingston SO-DIMM DDR5 5600MHz 16GB (KCP556SS8-16)

A single 16GB DDR5-5600 SO-DIMM for laptops and small-form-factor desktops, sold as a Kingston system-specific module. It runs at 1.1V with CL46 timings and no XMP, so it boots at JEDEC speed without tuning. That makes it a simple drop-in upgrade for a compatible machine rather than a part for overclockers. Buyers rate it highly, and the main thing to check before buying is whether your laptop takes DDR5 SO-DIMM at all.

Best forLaptop owners adding or replacing a single memory slotUpgrading a DDR5 laptop to 16GB or pairing two sticks for 32GBBuyers who want plug-and-play JEDEC memory with no BIOS tuning
Pros
  • Runs at DDR5-5600 JEDEC speed with no XMP profile needed
  • Low 1.1V operation, standard for DDR5 SO-DIMM
  • Single-module kit suits laptops with one accessible slot
  • No heatsink or RGB, so it fits tight laptop chassis
  • Kingston system-specific part with a known compatibility list
Cons
  • CL46 latency is loose; not aimed at performance tuning
  • No ECC, so not for workstations that need error correction
  • One module only, so dual-channel needs a second stick
  • 5600MHz speed depends on the laptop supporting it; otherwise it downclocks

Kingston SO-DIMM DDR5 5600MHz 16GB (KCP556SS8-16) prices at every store

  • NeweggNew

    In stock

    $361.61Free shippingChecked 1 h ago
    Visit Newegg
  • Best BuyNew

    In stock

    $376.15Free shippingChecked 1 h ago
    Visit Best Buy

Store links may earn us a commission. Some prices via Klarna.

Kingston SO-DIMM DDR5 5600MHz 16GB (KCP556SS8-16) price history

Lowest price we've seen: $361.61 on Nov 14 at Newegg. Tracked across 2 stores since Nov 14.

What reviewers say

  • 4.9 / 520 ratings

Buyers rate it very highly, and the feedback centers on it working as a straightforward drop-in upgrade. No recurring faults come up in the ratings.

What people mention
  • CompatibilityPraisedBuyers say it works once the laptop is confirmed to take DDR5 SO-DIMM.
  • SetupPraisedOwners report it boots at rated speed with no manual configuration.
  • SpeedMixedIt hits 5600MHz only where the laptop supports it; otherwise it runs slower.

About the Kingston SO-DIMM DDR5 5600MHz 16GB (KCP556SS8-16)

This Kingston memory module is a single 16 GB SO-DIMM of DDR5 RAM for laptops. It runs at 5600 MHz with a CAS latency of CL46 and operates at 1.1 V.

It is system specific memory.

Model
KCP556SS8-16
Type
SO-DIMM DDR5
Capacity
16 GB
Modules
1 x 16 GB
Speed
5600 MHz
CAS latency
CL46
Voltage
1.1 V
ECC
No
Registered
No
XMP
No
Lighting
No
Use
Laptops
System specific
Yes

Specifications

Memory Modules
1Source
Memory Capacity
16 GBSource
ECC
NoSource
Area of Use
For LaptopsSource

Questions and answers

Will this fit my laptop?
Only if your laptop uses DDR5 SO-DIMM slots. DDR4 and soldered-memory laptops cannot take it. Check your model's spec sheet for DDR5 support before buying.
Can I add it alongside my existing RAM?
Yes, if the existing stick is also DDR5 SO-DIMM and the laptop has a free slot. Mixing with DDR4 will not work. Two matching sticks give dual-channel bandwidth.
Do I need to enable XMP?
No. It has no XMP profile and runs at JEDEC DDR5-5600 automatically. If the laptop supports a lower maximum, it will run at that speed instead.
Is 16GB enough?
For browsing, office work and light gaming, yes. Heavy video editing, virtual machines or many browser tabs benefit from a second 16GB stick.
What is in the box?
One 16GB DDR5-5600 SO-DIMM module. No heatsink, no cables and no tools are included.
Where is the Kingston SO-DIMM DDR5 5600MHz 16GB (KCP556SS8-16) cheapest?
At Newegg, for $361.61, as of our latest check.
What do buyers say about the Kingston SO-DIMM DDR5 5600MHz 16GB (KCP556SS8-16)?
Rated 4.9 out of 5 from 20 ratings.
Where can I buy the Kingston SO-DIMM DDR5 5600MHz 16GB (KCP556SS8-16)?
2 stores we checked sell it, including Newegg, Best Buy.

Stores we've priced the Kingston SO-DIMM DDR5 5600MHz 16GB (KCP556SS8-16) at

  • Best Buy deals and prices
  • Newegg deals and prices

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Voltage (V)
1.1Source
Memory Modules Capacity
16 GBSource
Type
SO-DIMM DDR5Source
CAS Latency
CL46Source
Lighting
NoSource
System Specific
YesSource
XMP
NoSource
Memory Speed
5600 MHzSource
Registered
NoSource
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