Ekwb EK-PRO GPU WB AMP/Trinity RTX 4090

USER GUIDE

GPU WATER BLOCK

EAN: 3831109903971

EK-PRO

GPU WB AMP/Trinity RTX 4090 - Ni + Inox

Before you start using this product, please follow these basic guidelines:

Carefully read the manual before beginning with the

installation process.

Remove your graphics card from the computer for the safest

mounting process to prevent any possible damage to your

GPU or its circuit board (PCB).

EK Fittings require only a small amount of force to screw

them ﬁrmly in place since the liquid seal is ensured with the

rubber O-ring gaskets.

The use of quality market-proven corrosion-inhibiting

coolants is always strongly recommended for any liquid

cooling system.

Do not use pure distilled water as a cooling liquid! For best

results, EK recommends the use of EK-CryoFuel Coolants.

Make sure to bleed air out of your water block thoroughly in

order to reach optimal performance.

- 3 -

TABLE OF CONTENTS

BOX CONTENTS 4

WATER BLOCK DIMENSIONS 5

TECHNICAL SPECIFICATIONS AND WATER BLOCK PARTS 6

PREPARING YOUR GRAPHICS CARD 7

CUTTING AND PLACING THERMAL PADS 7

REMOVING THE STOCK COOLER

CLEANING THE PCB 7

APPLYING THERMAL COMPOUND 8

INSTALLING THE WATER BLOCK 9

PLACING THE BLOCK ON THE GRAPHICS CARD 9

ATTACHING THE BACKPLATE 10

CHECKING THE CONTACT IN CASE OF HIGH TEMPERATURES 10

INSERTING THE GRAPHICS CARD INTO THE CHASSIS 11

TESTING THE LOOP 11

SUPPORT AND SERVICE 12

SOCIAL MEDIA 12

- 4 -

BOX CONTENTS

Zotac RTX Pro Backplate (1x)

106478

Screw M2.5 x 4 AX1 (12x)

9047

Thermal PAD F 1.0 mm - (120 x 16 mm)

3830046996732 (2x)

Thermal PAD F 1.5 mm - (120 x 16 mm)

3830046996749 (2x)

EK-Pro GPU WB AMP-Trinity RTX 4090 Ni+Inox

120 mm

16 mm

120 mm

16 mm

Thermal PAD F 2.0 mm - (120 x 16 mm)

3830046996756 (1x)

120 mm

16 mm

Washer

POLYAMID M2.5 0.5mm

(9x) 8623

120 mm

24 mm

120 mm

24 mm

Thermal PAD G 0.5mm - (120 x 24 mm)

3830046996763 (2x)

Thermal PAD G 2.0mm - (120 x 24 mm)

3830046996794 (2x)

Thermal Grizzly Hydronaut (1g)

(1x)

Screw M2.5 x 7 AX1 (10x)

9049

088-Mounting Trinity RTX 4090

Note: There are additional screws in the mounting kit.

Screw size guide (1x) 103012

- 5 -

WATER BLOCK DIMENSIONS

245.9 mm

234.5 mm

180.3 mm

151.9 mm

135.7 mm

32.5 mm

87.1 mm

23.2 mm

15.6 mm

- 6 -

TECHNICAL SPECIFICATIONS AND WATER BLOCK PARTS

Position EAN Description Quantity

1106474 088 - baker - Zotac RTX 4090 Pro Coldplate TT (Ni) 1

2106133 TOP Plexi - Vector

Insert R5 1

3106475 088 - kovina - Zotac RTX 4090 Pro top TT 1

4103089 vijak M3 x 5 ISO 14581 TX INOX 22

5103988 Distancer M4-M2.5 x 3 mm Vector

(Nickel) 7

6106359

088 - kovina - Pro GPU WB RTX 4090 IO Bracket (Nickel)

7106357 Distancer M3-M2.5 x 12.3 Medenina Ni (female) 7

8106439 Top Acetal - Pro Terminal GPU 45 deg G1-4 v2 1

95155 OR 15 x 1 EPDM50 (FC Terminal) 2

10 5111 OR 143 x 2 1

11 106478 088-alu-Zotac RTX 4090 Pro Backplate TT (Bl. Elox) 1

12 100006 Vijak M4 x 27 DIN7984 1

13 9023 Vijak M4 x 6 DIN7984 2

14 9047 Vijak M2.5 x4 3825040ax1 8

15 8623 Podložka POLYAMID M2.5 0.5 mm 8

16 9049 Vijak M2.5 x 7 3825040ax1 6

- 7 -

PREPARING YOUR GRAPHICS CARD

STEP 1

REMOVING THE STOCK COOLER

Place your graphics card on the ﬂat surface and carefully remove the

stock cooler. Do not forget to unplug all the LED and fan connectors. Pay

attention to the following steps in order to install the EK-Pro GPU WB

AMP/Trinity RTX 4090 - Ni + Inox water block onto the graphics card.

STEP 2

CLEANING THE PCB

Wipe off the remains of the original thermal compound using a

nonabrasive cloth or Q-tip, as shown in the sample image, until the

components and circuit board are completely clean. EK recommends

the use of denatured alcohol for removing TIM leftovers. After that,

remove all remaining stock thermal pads from the PCB.

STEP 2

CUTTING AND PLACING THERMAL PADS

STEP 2

Your GPU water block comes with un-cuted thermal pads to cover

all the VRM components, such as COILs, MOSFETs and drivers.

Please use thermal pads which should be placed on the PCB as

ilustrated below.

You must remove the protective foil from both sides of the

thermal pad before installation.

Thermal Pad - 120 x 16 x 1.0 mm

Thermal Pad - 120 x 16 x 1.5 mm

F1.5

Thermal Pad - 120 x 24 x 0.5 mm

G0.5

F1.5

F1.5 F1.5

F1.5

G0.5

F1 F1

- 8 -

Thermal Grease

Apply the enclosed EK-TIM Ectotherm thermal grease (thermal

compound) on the GPU heat spreader – IHS – as shown in the

image. The layer of the thermal compound must be thin and even

over the entire surface of the IHS.

The excessive or uneven application of thermal grease

may lead to poor performance!

APPLYING THERMAL COMPOUND

For this step, you will need:

- 9 -

For this Step, you will need:

Washer Polyamid

M2.5 0.5 mm (8 pcs)

M2.5 x 4 AX1

Screw (8 pcs)

4 mm

Phillips Head

Screwdriver

STEP 2

Install 2.0 mm thick thermal pads on the BP, as illustrated below to

ensure better connection between graphic card and backplate. EK

made sure to provide you with more than an adequate quantity of

thermal pads to complete this Step.

Thermal Pad - 120 x 24 x 2.0 mm

Thermal Pad - 120 x 16 x 2.0 mm

G2G2

F2 F2

INSTALLING THE WATER BLOCK

STEP 1

PLACING THE BLOCK ON THE GRAPHICS CARD

This procedure is the same for all full-cover water blocks. Carefully

position the water block with preinstalled standoffs on the graphics

card. During this process, make sure you have aligned mounting

holes of the PCB with holes of the water block.

Pay attention not to use too much force when pressing

the block down to the PCB since chip dies are prone

to cracking.

Mount it with (8) M2.5 x 4 AX1 screws.

M2.5 x 4 AX1 SCREW M2.5 POLYAMID

WASHER

- 10 -

CHECKING THE CONTACT IN CASE OF HIGH TEMPERATURES

If necessary, temporarily remove the water block to check for

uniform surface contact between the block and components.

Pay special attention to the VRM section of the graphics card.

Check whether the water block makes contact with the intended

integrated circuit. Then repeat Steps from the previous section to

re-attach the block.

In case you fail to obtain good contact, please check

again or contact our support service at

https://www.ekwb.com/customer-support/.

STEP 3

ATTACHING THE BACKPLATE

Use six (6) M2.5 x 7 AX1 screws. Tighten the screws evenly using

the Phillips head screwdriver.

The screws must be present on the places marked below:

STEP 3

M2.5 x 7 AX1 SCREW

BAC KP L ATE

For this Step, you will need:

M2.5 x 7 AX1

Screw (6 pcs)

7 mm

Phillips Head

Screwdriver

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